Duplicate Advisory: Google Service Account Private Key Exposed in JWT Header

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-9r8p-h6cc-6qhm. This link is maintained to preserve external references. Original Description n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a credential exposure vulnerability: when configured with a...

CVE-2026-65599

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...