CVE-2026-110850 n8n before 2.41.4 and 2.42.1 Credential Check Bypass via Agent Node Parameters
An editor can bypass credential checks in shared workflows to exfiltrate owner secrets via malicious agent node configurations.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110850?
CVE-2026-110850 is a high-severity missing authorization vulnerability in n8n-io n8n, published on 14 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-863
Which versions are affected by CVE-2026-110850?
How do I fix CVE-2026-110850?
No fix has been published for CVE-2026-110850 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-110850 being exploited?
There is no known exploitation of CVE-2026-110850 in the wild and no public exploit code.
Sources
Also known as GHSA-fv6m-3pmx-fcmp, GHSA-x25p-9mr6-cwgp.