Improper authentication in n8n - #VU124008
Published: March 13, 2026
Vulnerability identifier: #VU124008
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when the Chat Trigger node is configured with n8n User Auth authentication. A remote attacker can bypass authentication process and gain unauthorized access to the application.
Affected software
n8n
Remediation
Install updates from vendor's website.
n8n - addressed in versions 1.123.22, 2.9.3, 2.10.1