Auth bypass in N8n-Io N8n

CVE-2026-110850

n8n before 2.41.4 and 2.42.0 before 2.42.1 does not validate credential ids stored in agent node parameters when an editor saves a shared workflow, because the check inspects only a node's credentials field. An editor can configure a Message an Agent node in inline mode with tools they control to resolve the owner's credentials and send decrypted secrets to an attacker-chosen destination.

Vulnerability class: Broken Access Control

Published · last modified .

EPSS exploit prediction

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Affected products

Weakness classification (CWE)

References