PT-2026-103779 · N8N Io · N8N

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CVE-2026-103246

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Published

2026-10-01

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Updated

2026-10-01

CVSS v3.1

7.7

High

VectorAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
n8n versions before 2.39.6 and 2.40.0 before 2.40.1 fail to validate credential ownership during inline agent node-tool introspection. Attackers can reference arbitrary credential IDs to decrypt and exfiltrate plaintext secrets to attacker-controlled hosts without ownership verification.

Fix

IDOR

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Weakness Enumeration

Related Identifiers

CVE-2026-103246

Affected Products

N8N