{"items":[{"id":"NVI-00008598","kind":"supply_chain_event","title":"Malicious code in csvflow-schema (npm)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mhx4-6f72-5vf7"],"plain_summary":"GitHub lists this malware advisory for csvflow-schema. 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-80d2dd19017d8f38e4e03701837a905c"],"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-80d2dd19017d8f38e4e03701837a905c","url":"https://github.com/advisories/GHSA-mhx4-6f72-5vf7","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mhx4-6f72-5vf7","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:19.280Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-80d2dd19017d8f38e4e03701837a905c"],"technology":"csvflow-schema","known_exclusions":[],"conditions_summary":"csvflow-schema is described as a \"Lightweight CSV column-schema validation helper\" (index.js exports a small validateSchema function) and adds a postinstall script that runs `node ./postinstall.js` on npm install. postinstall.js writes the username, hostname, working directory, parent process id and install path to `csvflow_schema/pi_2c75177b.ok` in the system temp directory, starts `calc.exe` through `cmd /c start`, and sends an HTTPS GET to `https://cdn-status.mulderitsme.net/pi/2c75177b`, a fixed-id install beacon. The npm account f0x_mulder published 1.0.0 on 2026-10-26, a minute after a 0.0.0-stage placeholder, and npm removed the package 17 minutes later.\n\n---\n\nCredit: OpenSSF (source)","public_affected_ranges":["= 1.0.0"]}],"null_published_at":"2026-10-31T22:13:27.103Z","source_updated_at":"2026-10-29T15:32:44.000Z","source_disclosed_at":"2026-10-28T06:30:28.000Z","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":"2026-10-31T21:56:19.280Z"}],"next_cursor":null,"snapshot_revision":"42594"}