{"schema":"threatline.record/2","record":{"id":"CVE-2026-103247","aliases":["GHSA-7gjv-rcf8-x5qc"],"summary":"n8n before 1.123.80 Credential Tampering via Duplicate Node IDs","details":"n8n versions before 1.123.80 contain a credential tampering vulnerability where duplicate node IDs bypass the workflow credential tamper guard. Attackers with editor access to shared workflows can exploit mismatched node ID and name matching to retain victim credentials and redirect secrets to attacker-controlled hosts.","categories":["Frameworks"],"product":"n8n","vendor":"n8n-io","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103247","source_modified_at":"2026-10-01T19:21:42.999Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"n8n","vendor":"n8n-io","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"1.123.80"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103247","source_modified_at":"2026-10-01T19:21:42.999Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"n8n","ecosystem":null},"version":"1.123.80","basis":"first unaffected version stated in the CVE record"}],"cvss":5.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00236,"percentile":0.13835,"score_date":"2026-10-23"},"published_at":"2026-10-01T10:41:54.215Z","modified_at":"2026-10-01T19:21:42.999Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-103247","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T19:21:42.999Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-103247","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-7gjv-rcf8-x5qc","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/n8n-before-1.123.80-credential-tampering-via-duplicate-node-ids","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-01T19:21:11.482102Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-01T19:21:42.999Z","content_hash":"f852ab1b96807f8bd96d93ec733da82db4b91492af70951eaa88abf9d6b091b2"}}