CVE-2026-103247 — n8n before 1.123.80 Credential Tampering via Duplicate Node IDs
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 s…
Published: 2026-10-01 · CVSS: 5.8 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7