Improper Access Control in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-2745

 

Improper Access Control in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-2745

Published: March 25, 2026 / Updated: March 25, 2026


Vulnerability identifier: #VU124602
CSH Severity: Medium
CVSS v4: 7.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-2745
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to bypass WebAuthn two-factor authentication and gain unauthorized access to user accounts.

The vulnerability exists due to inconsistent input validation in the WebAuthn 2FA authentication process when handling requests. A remote user can send a specially crafted authentication request to bypass two-factor authentication and gain unauthorized access to user accounts.


Affected software

GitLab Enterprise Edition
Gitlab Community Edition

How to mitigate CVE-2026-2745

Install security update from vendor's website.

GitLab Enterprise Edition - addressed in versions 18.8.7, 18.9.3, 18.10.1
Gitlab Community Edition - addressed in versions 18.8.7, 18.9.3, 18.10.1

External References

Related Security Bulletins