{"items":[{"id":"NVI-00010036","kind":"supply_chain_event","title":"Malicious code in request-guard (RubyGems)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-f88f-66w3-r384"],"plain_summary":"GitHub lists this malware advisory for request-guard, request-guard, request-guard. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-c452734c02285cc481eaabdd9924937c"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-c452734c02285cc481eaabdd9924937c","url":"https://github.com/advisories/GHSA-f88f-66w3-r384","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-f88f-66w3-r384","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:22.853Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c452734c02285cc481eaabdd9924937c"],"technology":"request-guard","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (5724f6df96af48a04d14a3a986d2ea3b31c90a66e68cfde9e116adf187e42964)\nThe gem's native-extension build script ext/req_throttle_mini/extconf.rb base64-decodes a Ruby payload, writes it to a random file under Dir.tmpdir, and spawns it with the Ruby interpreter before calling create_makefile. The decoded payload opens a TCP connection to the hardcoded bare IP 45.138.12.177 on port 8090 and bridges /bin/sh to the socket in a persistent reconnect loop, giving a remote party interactive shell access on the installer's host. No C/C++ source files are shipped in the gem, so the create_makefile('request-guard_native') call is cover: the extension exists solely to execute the hidden payload at install time. Installing this gem auto-executes the extension and triggers the reverse shell on the installing machine.\n\n---\n\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.0.0"]},{"certainty":"source_listed","source_ids":["sr-c452734c02285cc481eaabdd9924937c"],"technology":"request-guard","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (5724f6df96af48a04d14a3a986d2ea3b31c90a66e68cfde9e116adf187e42964)\nThe gem's native-extension build script ext/req_throttle_mini/extconf.rb base64-decodes a Ruby payload, writes it to a random file under Dir.tmpdir, and spawns it with the Ruby interpreter before calling create_makefile. The decoded payload opens a TCP connection to the hardcoded bare IP 45.138.12.177 on port 8090 and bridges /bin/sh to the socket in a persistent reconnect loop, giving a remote party interactive shell access on the installer's host. No C/C++ source files are shipped in the gem, so the create_makefile('request-guard_native') call is cover: the extension exists solely to execute the hidden payload at install time. Installing this gem auto-executes the extension and triggers the reverse shell on the installing machine.\n\n---\n\nCredit: OpenSSF (source)","public_affected_ranges":["> 0"]},{"certainty":"source_listed","source_ids":["sr-c452734c02285cc481eaabdd9924937c"],"technology":"request-guard","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (5724f6df96af48a04d14a3a986d2ea3b31c90a66e68cfde9e116adf187e42964)\nThe gem's native-extension build script ext/req_throttle_mini/extconf.rb base64-decodes a Ruby payload, writes it to a random file under Dir.tmpdir, and spawns it with the Ruby interpreter before calling create_makefile. The decoded payload opens a TCP connection to the hardcoded bare IP 45.138.12.177 on port 8090 and bridges /bin/sh to the socket in a persistent reconnect loop, giving a remote party interactive shell access on the installer's host. No C/C++ source files are shipped in the gem, so the create_makefile('request-guard_native') call is cover: the extension exists solely to execute the hidden payload at install time. Installing this gem auto-executes the extension and triggers the reverse shell on the installing machine.\n\n---\n\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.0.1"]}],"null_published_at":"2026-10-31T22:13:44.207Z","source_updated_at":"2026-10-06T00:34:11.000Z","source_disclosed_at":"2026-10-05T09:31:54.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T22:07:22.853Z"}],"next_cursor":null,"snapshot_revision":"42594"}