PT-2026-103780 · N8N Io · N8N

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CVE-2026-103247

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Published

2026-10-01

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Updated

2026-10-01

CVSS v3.1

8.5

High

VectorAV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
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.

Fix

IDOR

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Weakness Enumeration

Related Identifiers

CVE-2026-103247

Affected Products

N8N