[ CVE-2026-103247 · Published 1 Oct 2026 ]
Vulnerability in n8n-io n8n
CVSS 8.5
EPSS <1%No fix listed yet
[ Description ]Official description
n8n versions before 1.123.80 contain a credential tampering vulnerability where duplicate node IDs bypass the workflow credential tamper guard. Attackers with editor access to shared workflows can exploit mismatched node ID and name matching to retain victim credentials and redirect secrets to attacker-controlled hosts.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.