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

 

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

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


Vulnerability identifier: #VU124602
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2026-2745
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GitLab, Inc
Affected software:
Gitlab Community Edition
GitLab Enterprise Edition

Detailed vulnerability description

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.


How to mitigate CVE-2026-2745

Install security update from vendor's website.

Sources