{"schema":"threatline.record/2","record":{"id":"CVE-2026-110844","aliases":["GHSA-r6g9-5cpp-ppwr"],"summary":"n8n before 1.123.83 Credential Authorization Bypass via Nested Inline Sub-Workflows","details":"n8n before 1.123.83 contains an authorization bypass vulnerability that allows shared-workflow editors to use credentials they cannot access by embedding them in nested or tool inline sub-workflows. Attackers can save workflows with Workflow Tool or Workflow Retriever inline definitions referencing restricted credentials, which execute using the workflow owner's credential values.","categories":["Frameworks"],"product":"n8n","vendor":"n8n-io","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110844","source_modified_at":"2026-10-15T15:42:13.075Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"n8n","vendor":"n8n-io","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"1.123.83"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110844","source_modified_at":"2026-10-15T15:42:13.075Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"n8n","ecosystem":null},"version":"1.123.83","basis":"first unaffected version stated in the CVE record"}],"cvss":7.2,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00282,"percentile":0.19613,"score_date":"2026-10-23"},"published_at":"2026-10-14T22:52:19.623Z","modified_at":"2026-10-15T15:42:13.075Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110844","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-15T15:42:13.075Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110844","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-r6g9-5cpp-ppwr","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/n8n-before-1.123.83-credential-authorization-bypass-via-nested-inline-sub-workflows","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":"partial","assessed_at":"2026-10-15T15:41:57.524540Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-15T15:42:13.075Z","content_hash":"a36084cbd465ce08ea49511299791fb5c0da1538995a3e61bcd89dfbef21f3e9"}}