high8.5
CVE-2026-103247
n8n versions before 1.123.80 contain a credential tampering vulnerability where duplicate node IDs bypass the workflow credential tamper guard.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| N8n | before 1.123.80 |
Versions were read from the advisory text. No structured product data has been published for this record yet.