{"id":"CVE-2026-118677","title":"n8n before 2.41.4 and 2.42.1 Local Gateway Deep-Link Silent Re-pairing to Attacker Instance","summary":"n8n before 2.41.4 and 2.42.x before 2.42.1 contains a missing confirmation vulnerability in the Local Gateway desktop app that allows its deep-link connect handler to silently re-pair the app with a different n8n instance. Attackers can …","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N","cvssSource":"cna","cwe":["CWE-939"],"vendor":"n8n-io","product":"n8n","affected":["n8n >= 2.42.0 < 2.42.1","n8n < 2.41.4"],"published":"2026-10-28","updated":"2026-10-28","sourceUpdated":"2026-10-28T18:59:49.747Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118677","references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-cwm2-vhf5-27q9","label":"GitHub Security Advisory (GHSA-cwm2-vhf5-27q9)"},{"url":"https://www.vulncheck.com/advisories/n8n-before-2.41.4-and-2.42.1-local-gateway-deep-link-silent-re-pairing-to-attacker-instance","label":"VulnCheck Advisory: n8n before 2.41.4 and 2.42.1 Local Gateway Deep-Link Silent Re-pairing to Attacker Instance"}],"tags":["cve.org"],"epss":0.00165,"epssPercentile":0.05668,"ingestedAt":"2026-10-29T15:37:07.545Z","slug":"CVE-2026-118677","body":"## Overview\n\nn8n before 2.41.4 and 2.42.x before 2.42.1 contains a missing confirmation vulnerability in the Local Gateway desktop app that allows its deep-link connect handler to silently re-pair the app with a different n8n instance. Attackers can lure users running the Local Gateway into opening a crafted n8n-computer-use:// link to connect their computer to an attacker-controlled instance, inheriting previously granted permissions and acting on the computer through the gateway.\n\n## Affected\n\n- `n8n >= 2.42.0 < 2.42.1`\n- `n8n < 2.41.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}