{"id":"CVE-2026-110851","title":"n8n before 2.41.4 and 2.42.x before 2.42.1 contains an authorization bypass in the Agents create endpoint, which accepts a caller-supplied Agent ID, checks permissions only against the requested project, and updates an existing Agent wit…","summary":"n8n before 2.41.4 and 2.42.x before 2.42.1 contains an authorization bypass in the Agents create endpoint, which accepts a caller-supplied Agent ID, checks permissions only against the requested project, and updates an existing Agent wit…","severity":"medium","cwe":["CWE-639"],"published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T23:17:26.150","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110851","references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-2r5r-xgvc-rj4p","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/n8n-before-2.41.4-and-2.42.1-cross-project-agent-ownership-transfer-via-agents-create-endpoint","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-15T00:02:07.178Z","vendor":"n8n-io","product":"n8n","affected":["n8n < 2.41.4","n8n >= 2.42.0 < 2.42.1"],"cvss":6.1,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:N","cvssSource":"cna","epss":0.00228,"epssPercentile":0.13543,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-20T02:24:24.727963Z"},"slug":"CVE-2026-110851","body":"## Overview\n\nn8n before 2.41.4 and 2.42.x before 2.42.1 contains an authorization bypass in the Agents create endpoint, which accepts a caller-supplied Agent ID, checks permissions only against the requested project, and updates an existing Agent without verifying which project owns it. An authenticated user with read-only Agent access to another project can supply an existing Agent ID to move that Agent into their own project and rewrite its name, schema and version.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":221997,"id":"CVE-2026-110851","ts":1792039701224,"field":"cvss","old":null,"new":"6.1"},{"seq":221996,"id":"CVE-2026-110851","ts":1792039701224,"field":"severity","old":"none","new":"medium"}]}