{"schema":"threatline.record/2","record":{"id":"CVE-2026-110853","aliases":["GHSA-866p-xg8v-g2q7"],"summary":"n8n before 1.123.83 Authorization Bypass via Execute Sub-workflow Inline JSON","details":"n8n before 1.123.83 contains an authorization bypass vulnerability that allows authenticated members to spoof workflow identity by supplying a trusted identifier in Execute Sub-workflow inline JSON mode. Attackers can set this identifier to resolve credentials from projects they do not belong to and modify another workflow's static data and error-workflow dispatch.","categories":["Frameworks"],"product":"n8n","vendor":"n8n-io","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110853","source_modified_at":"2026-10-16T17:14:50.047Z","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-2026-110853","source_modified_at":"2026-10-16T17:14:50.047Z","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":7.1,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00228,"percentile":0.12886,"score_date":"2026-10-23"},"published_at":"2026-10-14T22:52:29.991Z","modified_at":"2026-10-16T17:14:50.047Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110853","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-16T17:14:50.047Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110853","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-866p-xg8v-g2q7","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/n8n-before-1.123.83-authorization-bypass-via-execute-sub-workflow-inline-json","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":"2026-10-16T16:31:16.927726Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-16T17:14:50.047Z","content_hash":"588a88aa8f63c6ae60747c05800c986ae04bc5802431241c53f7486ea87dac42"}}