{"id":"CVE-2026-110850","title":"n8n before 2.41.4 and 2.42.0 before 2.42.1 does not validate credential ids stored in agent node parameters when an editor saves a shared workflow, because the check inspects only a node's credentials field","summary":"n8n before 2.41.4 and 2.42.0 before 2.42.1 does not validate credential ids stored in agent node parameters when an editor saves a shared workflow, because the check inspects only a node's credentials field. An editor can configure a Mes…","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:L","cwe":["CWE-863"],"vendor":"n8n-io","product":"n8n","affected":["n8n < 2.41.4","n8n >= 2.42.0 < 2.42.1"],"published":"2026-10-14","updated":"2026-10-15","sourceUpdated":"2026-10-15T19:17:24.090","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110850","references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-x25p-9mr6-cwgp","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/n8n-before-2.41.4-and-2.42.1-credential-check-bypass-via-agent-node-parameters","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T18:13:56.480535Z"},"cvssSource":"cna","ingestedAt":"2026-10-15T00:02:07.178Z","epss":0.00215,"epssPercentile":0.1184,"slug":"CVE-2026-110850","body":"## Overview\n\nn8n before 2.41.4 and 2.42.0 before 2.42.1 does not validate credential ids stored in agent node parameters when an editor saves a shared workflow, because the check inspects only a node's credentials field. An editor can configure a Message an Agent node in inline mode with tools they control to resolve the owner's credentials and send decrypted secrets to an attacker-chosen destination.\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,"exploitation":0,"ransomware":0},"changes":[{"seq":221987,"id":"CVE-2026-110850","ts":1792039699250,"field":"cvss","old":null,"new":"7.2"},{"seq":221986,"id":"CVE-2026-110850","ts":1792039699250,"field":"severity","old":"none","new":"high"}]}