github · lumenHEAD

User-controlled value printed to terminal without ANSI escape sanitization. Malicious input can inject cursor-control sequences, rewrite earlier output, or hide shell commands from the operator.

/// `handlerPath + "/" + path`, and [url] becomes relative to that. For

  /// example:

  ///

  ///     print(request.handlerPath); // => /static/

  ///     print(request.url);        // => dir/file.html

  ///

  ///     request = request.change(path: "dir");

User-controlled value printed to terminal without ANSI escape sanitization. Malicious input can inject cursor-control sequences, rewrite earlier output, or hide shell commands from the operator.

///

  ///     request = request.change(path: "dir");

  ///     print(request.handlerPath); // => /static/dir/

  ///     print(request.url);        // => file.html

  @override

  Request change({

    Map<String, /* String | List<String> */ Object?>? headers,

User-controlled value printed to terminal without ANSI escape sanitization. Malicious input can inject cursor-control sequences, rewrite earlier output, or hide shell commands from the operator.

///     print(request.url);        // => dir/file.html

  ///

  ///     request = request.change(path: "dir");

  ///     print(request.handlerPath); // => /static/dir/

  ///     print(request.url);        // => file.html

  @override

  Request change({

User-controlled value printed to terminal without ANSI escape sanitization. Malicious input can inject cursor-control sequences, rewrite earlier output, or hide shell commands from the operator.

/// example:

  ///

  ///     print(request.handlerPath); // => /static/

  ///     print(request.url);        // => dir/file.html

  ///

  ///     request = request.change(path: "dir");

  ///     print(request.handlerPath); // => /static/dir/

User-controlled value printed to terminal without ANSI escape sanitization. Malicious input can inject cursor-control sequences, rewrite earlier output, or hide shell commands from the operator.

{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01DUYWFBpVUDBHGg9uK1SzUH","type":"tool_result","content":[{"type":"text","text":"Found 8 results:\n\n<result:file filename=\"pkgs/shelf/CHANGELOG.md\">\n  <result:chunk line-start=\"47\" line-end=\"59\" symbol=\"1.1.3+1.1.2\" kind=\"section\" score=\"0.79\">\n## 1.1.3\n\n* Automatically remove `content-length` header from a `Response.notModified`.\n  Restores some of the safety around malformed requests that was removed in\

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

end

          ordered = names.index_with do |name|

            reads.fetch(name) { writes[name] = yield(name) }

          end

          writes.compact! if options[:skip_nil]

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_014VMsdALsBKZwyY3HEcrk6s","type":"tool_result","content":"cat: illegal option -- A\nusage: cat [-belnstuv] [file ...]","is_error":false}]},"parent_tool_use_id":null,"session_id":"81df990f-cf73-441d-88a1-43c49f009aa1","uuid":"869e9199-4bf7-4969-8397-0f565f65ed3c","timestamp":"2026-04-17T02:14:13.245Z","tool_use_result":{"stdout":"cat: illegal option -- A\nusage: cat [-belnstuv] [file ...]","stderr":"","interrupted":false,"is

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

# return value will be returned.

      #

      #   cache.write('today', 'Monday')

      #   cache.fetch('today')  # => "Monday"

      #

      #   cache.fetch('city')   # => nil

      #   cache.fetch('city') do

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01XbrLSFqzcHpwqdkAiKvpM5","type":"tool_result","content":[{"type":"text","text":"Found 8 results:\n\n<result:file filename=\"src/lib/components/chat/FileDropzone.svelte\">\n  <result:chunk line-start=\"5\" line-end=\"11\" symbol=\"Props\" kind=\"interface\" score=\"0.48\">\n\tinterface Props {\n\t\t// import EosIconsLoading from \"~icons/eos-icons/loading\";\n\t\tfiles: File[];\n\t\tmimeTypes?: string[];\n\t\tonDrag?: boole

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#       token

      #     end

      #

      def fetch(name, options = nil, &block)

        if block_given?

          options = merged_options(options)

          key = normalize_key(name, options)

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01WinaBKvEzkcHfLnFZG4fBg","type":"tool_result","content":"1\t<script lang=\"ts\">\n2\t\timport type { Message, MessageFile } from \"$lib/types/Message\";\n3\t\timport { onDestroy } from \"svelte\";\n4\t\n5\t\timport IconOmni from \"$lib/components/icons/IconOmni.svelte\";\n6\t\timport CarbonCaretDown from \"~icons/carbon/caret-down\";\n7\t\timport CarbonDirectionRight from \"~icons/carbon/direction-right-01\";\n8\t\timport 

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01P5deCuX3A9Zw7swX3A34wi","type":"tool_result","content":"     1→# frozen_string_literal: true\n     2→\n     3→module Grape\n     4→  module Util\n     5→    class MediaType\n     6→      attr_reader :type, :subtype, :vendor, :version, :format\n     7→\n     8→      # based on the HTTP Accept header with the pattern:\n     9→      # application/vnd.:vendor-:version+:format\n    10→      VENDOR_VERSION_HEADER_REGEX = /\\Avn

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#     # but before generating the new value

      #     sleep 0.1

      #

      #     val_2 = cache.fetch("foo", race_condition_ttl: 2) do

      #       # This block won't be executed because t1 extended the expiry

      #       "new value 2"

      #     end

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

# If a value has been previously cached for key then it is

    # returned. Otherwise, block is yielded to and its return value

    # which may be nil, is cached under key and returned.

    def fetch(*key)

      @cache.fetch(key) do

        @cache[key] = yield

      end

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#

    # Examples:

    #

    #   Rails.app.envs.require(:db_password) # ENV,fetch("DB_PASSWORD")

    #   Rails.app.envs.require(:aws, :access_key_id) # ENV.fetch("AWS__ACCESS_KEY_ID")

    #   Rails.app.envs.option(:cache_host) # ENV["CACHE_HOST"]

    #   Rails.app.envs.option(:cache_host, default: "cache-host-1") # ENV.fetch("CACHE_HOST", "cache-host-1")

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

# * <tt>skip_nil: true</tt> - Prevents caching a nil result:

      #

      #     cache.fetch('foo') { nil }

      #     cache.fetch('bar', skip_nil: true) { nil }

      #     cache.exist?('foo') # => true

      #     cache.exist?('bar') # => false

      #

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#

      # * <tt>skip_nil: true</tt> - Prevents caching a nil result:

      #

      #     cache.fetch('foo') { nil }

      #     cache.fetch('bar', skip_nil: true) { nil }

      #     cache.exist?('foo') # => true

      #     cache.exist?('bar') # => false

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01GXC4Y6Hq15hy1Nf2LJ3Evw","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Now I understand the issue. In `format_from_header`, when the Accept header is `*/*`, `Rack::Utils.best_q_match` returns the first available MIME type instead of `nil`. This causes the wildcard to be treated as a preference for the first registered type, rather than falling back to the default format.\n\nThe fix: When the acc

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

/**

	 * Returns a URI to use in contexts where the browser is responsible

	 * for loading (e.g. fetch()) or when used within the DOM.

	 *

	 * **Note:** use `dom.ts#asCSSUrl` whenever the URL is to be used in CSS context.

	 */

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#   cache.fetch('city') do

      #     'Duckburgh'

      #   end

      #   cache.fetch('city')   # => "Duckburgh"

      #

      # ==== Options

      #

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

font_src: "'self'"

        }.merge options

        protect_session = options.fetch(:session) { sessions? }

        options[:without_session] = !protect_session

        options[:reaction] ||= :drop_session

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#   cache.fetch('today')  # => "Monday"

      #

      #   cache.fetch('city')   # => nil

      #   cache.fetch('city') do

      #     'Duckburgh'

      #   end

      #   cache.fetch('city')   # => "Duckburgh"

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#   Rails.app.envs.require(:db_password) # ENV,fetch("DB_PASSWORD")

    #   Rails.app.envs.require(:aws, :access_key_id) # ENV.fetch("AWS__ACCESS_KEY_ID")

    #   Rails.app.envs.option(:cache_host) # ENV["CACHE_HOST"]

    #   Rails.app.envs.option(:cache_host, default: "cache-host-1") # ENV.fetch("CACHE_HOST", "cache-host-1")

    #   Rails.app.envs.option(:cache_host, default: -> { HostProvider.cache }) # ENV.fetch("CACHE_HOST") { HostProvider.cache }

    def envs

      @envs ||= ActiveSupport::

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#     # more second to see the entry expire.

      #     sleep 1

      #

      #     p cache.fetch("foo") # => nil

      #

      # ==== Dynamic Options

      #

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01KSfzVYYEGc28Vd7vWbH3Ft","type":"tool_result","content":"     1→# frozen_string_literal: true\n     2→\n     3→describe Grape::Middleware::Formatter do\n     4→  subject { described_class.new(app) }\n     5→\n     6→  before { allow(subject).to receive(:dup).and_return(subject) }\n     7→\n     8→  let(:body) { { 'foo' => 'bar' } }\n     9→  let(:app) { ->(_env) { [200, {}, [body]] } }\n    10→\n    11→  context 'serializa

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#   required when +force+ is true so this always results in a cache write.

      #

      #     cache.write('today', 'Monday')

      #     cache.fetch('today', force: true) { 'Tuesday' } # => 'Tuesday'

      #     cache.fetch('today', force: true) # => ArgumentError

      #

      #   The +:force+ option is useful when you're calling some other method to

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

# Before touching this code, please double check RFC 2616 14.24 and 14.26.

      options      = { kind: options } unless Hash === options

      kind         = options[:kind] || :strong

      new_resource = options.fetch(:new_resource) { request.post? }

      unless ETAG_KINDS.include?(kind)

        raise ArgumentError, ':strong or :weak expected'

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#   cache.write('today', 'Monday')

      #   cache.fetch('today')  # => "Monday"

      #

      #   cache.fetch('city')   # => nil

      #   cache.fetch('city') do

      #     'Duckburgh'

      #   end

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01SDghZStPyMPfz6fsuQCB6j","type":"tool_result","content":[{"type":"text","text":"Perfect! Now I have all the information I need. Let me provide a comprehensive summary of the content type negotiation and Accept header handling in the Grape Ruby gem.\n\n## Content Type Negotiation and Accept Header Handling in Grape\n\nI've found the key code responsible for content type negotiation and Accept header handling in the Grape Ru

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

/**

	 * Returns a URI to use in contexts where the browser is responsible

	 * for loading (e.g. fetch()) or when used within the DOM.

	 *

	 * **Note:** use `dom.ts#asCSSUrl` whenever the URL is to be used in CSS context.

	 */

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

# returned. Otherwise, block is yielded to and its return value

    # which may be nil, is cached under key and returned.

    def fetch(*key)

      @cache.fetch(key) do

        @cache[key] = yield

      end

    end

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01XkeNa63fUG47m52auMNLeu","type":"tool_result","content":[{"type":"text","text":"Found 9 results:\n\n<result:file filename=\"lib/grape/middleware/versioner/header.rb\">\n  <result:chunk line-start=\"24\" line-end=\"127\" symbol=\"Versioner.Header+Header.match_best_quality_media_type!+Header.accept_header+Header.accept_header_check!+Header.q_values_mime_types+Header.invalid_accept_header!+Header.vendor_not_found!+Header.avai

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

# Examples:

    #

    #   Rails.app.envs.require(:db_password) # ENV,fetch("DB_PASSWORD")

    #   Rails.app.envs.require(:aws, :access_key_id) # ENV.fetch("AWS__ACCESS_KEY_ID")

    #   Rails.app.envs.option(:cache_host) # ENV["CACHE_HOST"]

    #   Rails.app.envs.option(:cache_host, default: "cache-host-1") # ENV.fetch("CACHE_HOST", "cache-host-1")

    #   Rails.app.envs.option(:cache_host, default: -> { HostProvider.cache }) # ENV.fetch("CACHE_HOST") { HostProvider.cache }

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#

      #     p val_1 # => "new value 1"

      #     p val_2 # => "original value"

      #     p cache.fetch("foo") # => "new value 1"

      #

      #     # The entry requires 3 seconds to expire (expires_in + race_condition_ttl)

      #     # We have waited 2 seconds already (sleep(1) + t1.join) thus we need to wait 1

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#       # 1. gets an recent expired entry

      #       # 2. extends the expiry by 2 seconds (race_condition_ttl)

      #       # 3. regenerates the new value

      #       val_1 = cache.fetch("foo", race_condition_ttl: 2) do

      #         sleep 1

      #         "new value 1"

      #       end

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

return $statement;

        });

        while ($record = $statement->fetch()) {

            yield $record;

        }

    }

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_019qVGUNKP9opZm4vU7x2RJa","type":"tool_result","content":"238\t\t\t<!-- add a button on top that removes the image -->\n239\t\t\t{#if canClose}\n240\t\t\t\t<button\n241\t\t\t\t\tclass=\"absolute -right-2 -top-2 z-10 grid size-6 place-items-center rounded-full border bg-black group-hover:visible dark:border-gray-700\"\n242\t\t\t\t\tclass:invisible={navigator.maxTouchPoints === 0}\n243\t\t\t\t\tonclick={(e) => {\n244\t\t\t\t\

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

# on the cached value. To support this, an ActiveSupport::Cache::WriteOptions

      # instance is passed as the second argument to the block. For example:

      #

      #     cache.fetch("authentication-token:#{user.id}") do |key, options|

      #       token = authenticate_to_service

      #       options.expires_at = token.expires_at

      #       token

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01VYtm6VKrCh7EwBLhtDLTCS","type":"tool_result","content":"Found 1 file\nsrc/lib/components/chat/ChatWindow.svelte"}]},"parent_tool_use_id":null,"session_id":"81df990f-cf73-441d-88a1-43c49f009aa1","uuid":"30c40fac-c59a-4c95-9ac3-faf623dde8ef","timestamp":"2026-04-17T02:13:40.218Z","tool_use_result":{"mode":"files_with_matches","filenames":["src/lib/components/chat/ChatWindow.svelte"],"numFiles":1}}

{"type":"assistant","messa

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

{"type":"assistant","message":{"model":"claude-sonnet-4-6","id":"msg_01GXhtrjbC7Xon79FeYR2mas","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"Now I have a clear understanding of the issue. Let me look at the specific files to understand the regression:\n\n1. `lib/grape/middleware/formatter.rb` - The `negotiate_content_type` method and `format_from_header` method\n2. `lib/grape/util/media_type.rb` - The `best_quality_media_type` method\n\nThe issue is that when `Acc

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#   Rails.app.envs.require(:aws, :access_key_id) # ENV.fetch("AWS__ACCESS_KEY_ID")

    #   Rails.app.envs.option(:cache_host) # ENV["CACHE_HOST"]

    #   Rails.app.envs.option(:cache_host, default: "cache-host-1") # ENV.fetch("CACHE_HOST", "cache-host-1")

    #   Rails.app.envs.option(:cache_host, default: -> { HostProvider.cache }) # ENV.fetch("CACHE_HOST") { HostProvider.cache }

    def envs

      @envs ||= ActiveSupport::EnvConfiguration.new

    end

Network / IO / subprocess call without an explicit timeout. A malicious or hung upstream (HTTP host, socket peer, child process) can pin threads, exhaust connection/process pools, and make the MCP server unresponsive. Always pass a bounded timeout. v2 extends v1 with subprocess coverage (R03 from the legacy readiness audit).

#

      #     cache.write('today', 'Monday')

      #     cache.fetch('today', force: true) { 'Tuesday' } # => 'Tuesday'

      #     cache.fetch('today', force: true) # => ArgumentError

      #

      #   The +:force+ option is useful when you're calling some other method to

      #   ask whether you should force a cache write. Otherwise, it's clearer to

Overly permissive file mode or IAM wildcard. chmod 0777 and IAM "Action": "*" or "Resource": "*" grant far more access than a least-privilege MCP server needs.

return err

	}

	if err = os.MkdirAll(tmp, 0o777); err != nil {

		return err

	}

Overly permissive file mode or IAM wildcard. chmod 0777 and IAM "Action": "*" or "Resource": "*" grant far more access than a least-privilege MCP server needs.

// It initializes the lockfile, WAL, compactor, and Head (by replaying the WAL), and runs the database.

// It is not safe to open more than one DB in the same directory.

func open(dir string, l *slog.Logger, r prometheus.Registerer, opts *Options, rngs []int64, stats *DBStats) (_ *DB, returnedErr error) {

	if err := os.MkdirAll(dir, 0o777); err != nil {

		return nil, err

	}

	if l == nil {

Overly permissive file mode or IAM wildcard. chmod 0777 and IAM "Action": "*" or "Resource": "*" grant far more access than a least-privilege MCP server needs.

rand.Int63())

		dir = filepath.Join(snapdir, name)

	)

	if err := os.MkdirAll(dir, 0o777); err != nil {

		return apiFuncResult{nil, &apiError{errorInternal, fmt.Errorf("create snapshot directory: %w", err)}, nil, nil}

	}

	if err := api.db.Snapshot(dir, !skipHead); err != nil {

Package declares an install-time hook (npm postinstall/preinstall/prepare, setup.py cmdclass override, custom setuptools install class, or non-default pyproject build-backend). Anyone installing this package runs the hook. Confirm the hook is necessary and review its contents; prefer shipping a plain library without install-time execution.

"types.d.ts"

  ],

  "scripts": {

    "prepare": "husky",

    "setup": "node ./setup/setup.js",

    "prelint": "yarn setup",

    "lint": "yarn lint:code && yarn lint:special && yarn lint:types && yarn lint:types-test && yarn lint:types-benchmark && yarn lint:types-module-test && yarn lint:types-hot && yarn fmt:check && yarn lint:spellcheck",

Package declares an install-time hook (npm postinstall/preinstall/prepare, setup.py cmdclass override, custom setuptools install class, or non-default pyproject build-backend). Anyone installing this package runs the hook. Confirm the hook is necessary and review its contents; prefer shipping a plain library without install-time execution.

},

  "keywords": ["frontend", "hmr", "dev-server", "build-tool", "vite"],

  "scripts": {

    "preinstall": "npx only-allow pnpm",

    "postinstall": "simple-git-hooks",

    "format": "prettier --write --cache .",

    "lint": "eslint --cache .",

Package declares an install-time hook (npm postinstall/preinstall/prepare, setup.py cmdclass override, custom setuptools install class, or non-default pyproject build-backend). Anyone installing this package runs the hook. Confirm the hook is necessary and review its contents; prefer shipping a plain library without install-time execution.

"keywords": ["frontend", "hmr", "dev-server", "build-tool", "vite"],

  "scripts": {

    "preinstall": "npx only-allow pnpm",

    "postinstall": "simple-git-hooks",

    "format": "prettier --write --cache .",

    "lint": "eslint --cache .",

    "typecheck": "tsc -p scripts && pnpm -r --parallel run typecheck",

Package declares an install-time hook (npm postinstall/preinstall/prepare, setup.py cmdclass override, custom setuptools install class, or non-default pyproject build-backend). Anyone installing this package runs the hook. Confirm the hook is necessary and review its contents; prefer shipping a plain library without install-time execution.

"lint": "node ./scripts/tasks/eslint.js",

    "lint-build": "node ./scripts/rollup/validate/index.js",

    "extract-errors": "node scripts/error-codes/extract-errors.js",

    "postinstall": "node ./scripts/flow/createFlowConfigs.js",

    "test": "node ./scripts/jest/jest-cli.js",

    "test-stable": "node ./scripts/jest/jest-cli.js --release-channel=stable",

    "test-www": "node ./scripts/jest/jest-cli.js --release-channel=www-modern",

Package declares an install-time hook (npm postinstall/preinstall/prepare, setup.py cmdclass override, custom setuptools install class, or non-default pyproject build-backend). Anyone installing this package runs the hook. Confirm the hook is necessary and review its contents; prefer shipping a plain library without install-time execution.

"private": true,

  "type": "module",

  "scripts": {

    "postinstall": "node scripts/postinstall.ts",

    "bootstrap": "make bootstrap",

    "codesandbox:build": "make build-no-bundle",

    "build": "make build",

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

-coverprofile=coverage.out -covermode=atomic ./...

      - name: Upload coverage to Coveralls

        uses: coverallsapp/github-action@v2

        with:

          file: coverage.out

          format: golang

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

release_created: ${{ steps.release.outputs.release_created }}

      tag_name: ${{ steps.release.outputs.tag_name }}

    steps:

      - uses: googleapis/release-please-action@v4

        id: release

        with:

          config-file: release-please-config.json

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

matrix:

        os: [ubuntu-latest, macos-latest]

    steps:

      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5

        with:

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

steps:

      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5

        with:

          go-version: '1.26'

          cache: true

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

id-token: write

    steps:

      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4

        with:

          node-version: 22

          registry-url: 'https://registry.npmjs.org'

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

cache: false

      - name: golangci-lint

        uses: golangci/golangci-lint-action@v8

        with:

          version: latest

          args: --build-tags=fts5

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

needs: release-please

    if: ${{ needs.release-please.outputs.release_created == 'true' }}

    steps:

      - uses: actions/checkout@v4

        with:

          fetch-depth: 0

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

steps:

      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5

        with:

          go-version: '1.26'

          cache: true

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

ports:

          - 11434:11434

    steps:

      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5

        with:

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

cache: true

      - name: Setup ccache

        uses: hendrikmuhs/ccache-action@v1.2

        with:

          key: ${{ runner.os }}-go-cgo

          max-size: 500M

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

contents: read

      id-token: write

    steps:

      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4

        with:

          node-version: 22

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

steps:

      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5

        with:

          go-version: '1.26'

          cache: true

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

steps:

      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5

        with:

          go-version: '1.26'

          cache: true

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

runs-on: ubuntu-latest

    if: github.actor != 'release-please[bot]'

    steps:

      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5

        with:

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

steps:

      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5

        with:

          go-version: '1.26'

          cache: false

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

if: github.actor != 'release-please[bot]'

    timeout-minutes: 30

    steps:

      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5

        with:

GitHub Actions `uses:` reference is not pinned to a 40-character commit SHA. Tags (`@v4`) and branches (`@main`) are mutable — a compromised maintainer or a tag rewrite can substitute malicious code into your CI pipeline silently. Pin to a SHA: `uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab`. For readability, include the version as a trailing comment: `# v4.1.1`. Tools like `pinact` / `ratchet` automate this. Allowed unpinned forms (excluded by the rule): - Local actions `.

matrix:

        os: [ubuntu-latest, macos-latest, windows-latest]

    steps:

      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5

        with:

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

)

        if "charset" in self.content_params:

            try:

                codecs.lookup(self.content_params["charset"])

            except LookupError:

                pass

            else:

                self.encoding = self.content_params["charset"]

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

# to all.

        model = instances[0].__class__

        try:

            model._meta.get_field(to_attr)

        except exceptions.FieldDoesNotExist:

            pass

        else:

            msg = "to_attr={} conflicts with a field on the {} model."

            raise ValueError(msg.format(to_attr, model.__name__))

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

continue

                rel_obj_id = rel_getter(obj)

                try:

                    rel_obj = rel_objs[rel_obj_id]

                except KeyError:

                    pass  # May happen in qs1 | qs2 scenarios.

                else:

                    setattr(obj, field.name, rel_obj)

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

)

        else:

            try:

                user = await UserModel._default_manager.aget_by_natural_key(username)

            except UserModel.DoesNotExist:

                pass

        user = await self.aconfigure_user(request, user, created=created)

        return user if self.user_can_authenticate(user) else None

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

}

} finally {

    $env:PATH = $origPath

    if ($proc -and -not $proc.HasExited) { try { $proc.Kill() } catch {} }

    Remove-Item -Recurse -Force $TmpRoot, $FakeCurlDir, $MockBinDir -ErrorAction SilentlyContinue

}

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

sorts.append("rule")

    try:

        rows.sort(key=itemgetter(sorts.index(sort)))

    except ValueError:

        pass

    rows.insert(0, headers)

    widths = [max(len(row[i]) for row in rows) for i in range(len(headers))]

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

_platformLocale = nlsConfig.osLocale;

			_language = nlsConfig.resolvedLanguage || LANGUAGE_DEFAULT;

			_translationsConfigFile = nlsConfig.languagePack?.translationsConfigFile;

		} catch (e) {

		}

	}

	_isNative = true;

}

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

content = b"".join(self.make_bytes(chunk) for chunk in value)

            if hasattr(value, "close"):

                try:

                    value.close()

                except Exception:

                    pass

        else:

            content = self.make_bytes(value)

        # Create a list of properly encoded bytestrings to support write().

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

)

        else:

            try:

                user = UserModel._default_manager.get_by_natural_key(username)

            except UserModel.DoesNotExist:

                pass

        user = self.configure_user(request, user, created=created)

        return user if self.user_can_authenticate(user) else None

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

for query_name, model_name in self.translations.items():

            # Ignore translations for nonexistent column names

            try:

                index = columns.index(query_name)

            except ValueError:

                pass

            else:

                columns[index] = model_name

        return columns

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

if interactive_hook is not None:

        try:

            import readline

            from rlcompleter import Completer

        except ImportError:

            pass

        else:

            # rlcompleter uses __main__.__dict__ by default, which is

            # flask.__main__. Use the shell context instead.

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

# so swallow the broken-pipe exception and let the exit-code check

        # below produce the real diagnostic.

        try { $proc.StandardInput.WriteLine($initReq) } catch { }

        try { $proc.StandardInput.Close() } catch { }

        $stdout = $proc.StandardOutput.ReadToEnd()

        $stderr = $proc.StandardError.ReadToEnd()

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

return self.create(**params), True

            except IntegrityError:

                try:

                    return self.get(**kwargs), False

                except self.model.DoesNotExist:

                    pass

                raise

    get_or_create.alters_data = True

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

def close(self):

        for closer in self._resource_closers:

            try:

                closer()

            except Exception:

                pass

        # Free resources that were still referenced.

        self._resource_closers.clear()

        self.closed = True

Silent error swallowing detected. An except clause that does pass or ... discards the exception with no log, no metric, and no trace. This blinds incident response and hides real failures.

# closed by the time we try to write — that IS the #125 symptom,

        # so swallow the broken-pipe exception and let the exit-code check

        # below produce the real diagnostic.

        try { $proc.StandardInput.WriteLine($initReq) } catch { }

        try { $proc.StandardInput.Close() } catch { }

        $stdout = $proc.StandardOutput.ReadToEnd()