Security Advisory
CVE-2026-65589
6.5
MEDIUM
Vulnerability Description
n8n versions before 1.123.64 fail to properly mask custom HTTP header credentials in LLM sub-node execution data, writing plaintext API keys and secrets to workflow execution records. Authenticated users with access to execution data can read exposed header values and credentials that persist in the database and can be exported.
Published Date
July 22, 2026
Official Source
NIST NVD Advisory