Improper authentication in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-0549
Published: May 8, 2025
Vulnerability identifier: #VU108780
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-0549
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GitLab, Inc
Affected software:
Gitlab Community Edition
GitLab Enterprise Edition
Gitlab Community Edition
GitLab Enterprise Edition
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in Device OAuth flow protection. A remote non-authenticated attacker can trick the victim into clicking on a specially crafted link to bypass authentication process using cross-window forgery and gain unauthorized access to the application using minimal user interaction.
How to mitigate CVE-2025-0549
Install updates from vendor's website.