{"items":[{"id":"NVI-00009802","kind":"supply_chain_event","title":"Malicious code in @coopeuch/common (npm)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-pcjv-x9w3-wc2g"],"plain_summary":"GitHub lists this malware advisory for @coopeuch/common. 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-60abd750195c9dddc1fd3ce0f7098031"],"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-60abd750195c9dddc1fd3ce0f7098031","url":"https://github.com/advisories/GHSA-pcjv-x9w3-wc2g","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-pcjv-x9w3-wc2g","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:01.069Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-60abd750195c9dddc1fd3ce0f7098031"],"technology":"@coopeuch/common","known_exclusions":[],"conditions_summary":"## Source: amazon-inspector (887c41c0805d7d223c499e702796cf46727b0be152b7c8a65607907afb3b5d59)\n@coopeuch/common@1.999.999 publishes to the public npm registry under a scope the publisher does not own, using an inflated version (1.999.999) consistent with the dependency-confusion technique that outranks internal-registry versions. The package's declared postinstall script (postinstall.js) runs automatically on npm install and collects installer-side host and network data — hostname, username, uid/gid, home directory, non-internal network interface addresses with MAC/CIDR, DNS resolver addresses, reverse-DNS internal FQDN, container markers, CI environment-variable presence, npm_config_registry, and the consuming project's package name/version/declared range — then POSTs it as JSON to the hardcoded author-controlled endpoint https://collector.oob.s4yhii.com/_npm-poc/beacon. A secondary DNS beacon is emitted via dns.lookup to a subdomain of oob.s4yhii.com. Any build that resolves @coopeuch/common from the public registry (including internal builds referencing the @coopeuch scope) will auto-exfiltrate internal hostnames, MAC addresses, usernames, internal registry URLs, and project ide","public_affected_ranges":["= 1.999.999"]}],"null_published_at":"2026-10-31T22:13:39.948Z","source_updated_at":"2026-10-11T15:31:14.000Z","source_disclosed_at":"2026-10-11T15:31:11.000Z","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":"2026-10-31T22:07:01.069Z"}],"next_cursor":null,"snapshot_revision":"42594"}