{"items":[{"id":"NVI-00009961","kind":"supply_chain_event","title":"Malicious code in req-throttle-mini (RubyGems)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mvgr-wfjm-xr5v"],"plain_summary":"GitHub lists this malware advisory for req-throttle-mini, req-throttle-mini, req-throttle-mini. 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-a4ac9d41ecc2ad22e8484a3cb4b855c4"],"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-a4ac9d41ecc2ad22e8484a3cb4b855c4","url":"https://github.com/advisories/GHSA-mvgr-wfjm-xr5v","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mvgr-wfjm-xr5v","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:22.853Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a4ac9d41ecc2ad22e8484a3cb4b855c4"],"technology":"req-throttle-mini","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (91bd1a5cb0c3bacb52c303b598c520dff6f40695affdb1643dd502cf3981d797)\nThe gem's native-extension script extconf.rb base64-decodes an embedded Ruby payload, writes it to a randomized file under the system temp directory, and spawns a detached `ruby` process on it before invoking mkmf's `create_makefile`. The decoded payload opens a TCP connection to the hardcoded bare IP 45.138.12.177 on port 8089 and bridges the socket bidirectionally to `/bin/sh`, giving the remote endpoint interactive command execution on the installing host. The payload loops with a 30-second sleep to re-dial on disconnect, providing persistent reconnection. The C2 destination is concealed as a base64 literal rather than appearing in plaintext, and the behavior is unrelated to any native build step.\n\n---\n\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.0.0"]},{"certainty":"source_listed","source_ids":["sr-a4ac9d41ecc2ad22e8484a3cb4b855c4"],"technology":"req-throttle-mini","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (91bd1a5cb0c3bacb52c303b598c520dff6f40695affdb1643dd502cf3981d797)\nThe gem's native-extension script extconf.rb base64-decodes an embedded Ruby payload, writes it to a randomized file under the system temp directory, and spawns a detached `ruby` process on it before invoking mkmf's `create_makefile`. The decoded payload opens a TCP connection to the hardcoded bare IP 45.138.12.177 on port 8089 and bridges the socket bidirectionally to `/bin/sh`, giving the remote endpoint interactive command execution on the installing host. The payload loops with a 30-second sleep to re-dial on disconnect, providing persistent reconnection. The C2 destination is concealed as a base64 literal rather than appearing in plaintext, and the behavior is unrelated to any native build step.\n\n---\n\nCredit: OpenSSF (source)","public_affected_ranges":["> 0"]},{"certainty":"source_listed","source_ids":["sr-a4ac9d41ecc2ad22e8484a3cb4b855c4"],"technology":"req-throttle-mini","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (91bd1a5cb0c3bacb52c303b598c520dff6f40695affdb1643dd502cf3981d797)\nThe gem's native-extension script extconf.rb base64-decodes an embedded Ruby payload, writes it to a randomized file under the system temp directory, and spawns a detached `ruby` process on it before invoking mkmf's `create_makefile`. The decoded payload opens a TCP connection to the hardcoded bare IP 45.138.12.177 on port 8089 and bridges the socket bidirectionally to `/bin/sh`, giving the remote endpoint interactive command execution on the installing host. The payload loops with a 30-second sleep to re-dial on disconnect, providing persistent reconnection. The C2 destination is concealed as a base64 literal rather than appearing in plaintext, and the behavior is unrelated to any native build step.\n\n---\n\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.0.1"]}],"null_published_at":"2026-10-31T22:13:44.196Z","source_updated_at":"2026-10-06T00:34:12.000Z","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"}