CVE-2026-103247EPSS p13.3%

CVE-2026-103247CVE-2026-103247

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.

Scoring

CVSS 8.5 ()
VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS0.24% probability of exploitation · percentile 13.3% · 2026-10-05T12:00:23Z
Last modified2026-10-01
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.