{"id":"EUVD-2026-47643","revision":"95f43255b8c442d0bd7af47ca34ed9c9","records":[{"revision":"95f43255b8c442d0bd7af47ca34ed9c9","observedAt":"2026-11-05T12:49:15.067+00:00","statement":{"source":"euvd","id":"EUVD-2026-47643","aliases":["CVE-2026-65599","GHSA-mhvh-gwhr-76pw","GHSA-9r8p-h6cc-6qhm"],"title":"n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a credential exposure vulnerability: when configured with a Google Service Account key, the full PEM private key was mistakenly placed in the JWT header's kid field (intended only for…","description":"n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a credential exposure vulnerability: when configured with a Google Service Account key, the full PEM private key was mistakenly placed in the JWT header's kid field (intended only for a key identifier). Because JWT headers are Base64-encoded rather than encrypted, the private key could be recovered by anything that logged or inspected the JWT. An attacker who obtained the key could impersonate the service account and access or modify any Google Cloud resource it was authorized to use. Only instances using Google Service Account credentials are affected.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:L","score":5.1,"severity":null}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-9r8p-h6cc-6qhm","https://www.vulncheck.com/advisories/n8n-before-credential-exposure-via-jwt-header"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-47643","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jul 22, 2026, 11:21:46 AM","dateUpdated":"Oct 29, 2026, 9:16:28 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-47643","identifiers":["EUVD-2026-47643","CVE-2026-65599","GHSA-mhvh-gwhr-76pw","GHSA-9r8p-h6cc-6qhm"]},"retained":false,"historicalAffected":[]}],"coverage":[]}