{"id":"CVE-2026-110844","title":"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","summary":"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 Work…","severity":"high","cvss":7.2,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:H/SA:N","cwe":["CWE-863"],"vendor":"n8n-io","product":"n8n","affected":["n8n < 1.123.83"],"published":"2026-10-14","updated":"2026-10-15","sourceUpdated":"2026-10-15T16:17:47.430","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110844","references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-r6g9-5cpp-ppwr","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/n8n-before-1.123.83-credential-authorization-bypass-via-nested-inline-sub-workflows","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T15:41:57.524540Z"},"cvssSource":"cna","ingestedAt":"2026-10-15T00:02:07.175Z","epss":0.00282,"epssPercentile":0.20541,"slug":"CVE-2026-110844","body":"## Overview\n\nn8n 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":39.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":221975,"id":"CVE-2026-110844","ts":1792039697292,"field":"cvss","old":null,"new":"7.2"},{"seq":221974,"id":"CVE-2026-110844","ts":1792039697292,"field":"severity","old":"none","new":"high"}]}