CVE-2026-110850

High

Description

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.

SeverityHigh

CVSS7.2

Exploit probability—

ProductN8n

PublishedOct 14, 2026

First seenOct 14, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

n8n-io n8n2.41.4, 2.42.1 or later

Vendor advisories

github.com/n8n-io/n8n/security/advisories/GHSA-x25p-9mr6-cwgp

Affected products

Product	Affected versions	Fixed in
n8n-io n8n	v < 2.41.4, 2.42.0 ≤ v < 2.42.1	2.41.4, 2.42.1

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