CVE-2026-103247
MEDIUM8.5CVSS v3
—CVSS v2
0.24%
EPSS (exploit probability)
CWE-639CWE
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.
CVSS v3 vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected routers (0)
No routers currently mapped to this CVE in our database.