CVE-2026-110850GHSA-x25p-9mr6-cwgp
n8n before 2.41.4 and 2.42.1 Credential Check Bypass via Agent Node Parameters
n8n-io n8nFrameworks
CVSS
7.2HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.21%Chance of exploitation activity in the next 30 days, higher than 11% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
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.
Text from CVE List
Affected versions 2
- n8naffected: all versions before 2.41.4CVE List
- n8naffected: 2.42.0 before 2.42.1CVE List