{"id":"CVE-2026-65596","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-65596","generatedAt":"2026-10-28T02:20:26.259Z","title":"n8n before 1.123.64, 2.29.8, and 2.30.1 fails to enforce the \"Allowed HTTP Request Domains\" restriction on HTTP-based credentials (Header Auth, Basic Auth, Query Auth, OAuth) in the GraphQL node, unlike the HTTP Request node.","description":"n8n before 1.123.64, 2.29.8, and 2.30.1 fails to enforce the \"Allowed HTTP Request Domains\" restriction on HTTP-based credentials (Header Auth, Basic Auth, Query Auth, OAuth) in the GraphQL node, unlike the HTTP Request node. An authenticated user able to create or edit workflows can point the node's endpoint at a server they control and exfiltrate restricted credentials. Only instances where a credential has \"Allowed HTTP Request Domains\" configured and is usable by non-owner users are affected.","published":"2026-07-22T12:18:20.000Z","lastModified":"2026-10-24T17:10:00.000Z","status":"Analyzed","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":5.1,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-863"],"affected":["n8n/n8n"],"epss":{"score":0.00367,"percentile":0.30366,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-gq66-9cw5-j5jm","tags":["Mitigation","Vendor Advisory"],"source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/n8n-before-credential-exfiltration-via-graphql-node","tags":["Third Party Advisory"],"source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-65596","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}