Resource exhaustion in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-0186

 

Resource exhaustion in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-0186

Published: May 18, 2026


Vulnerability identifier: #VU131655
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-0186
CWE-ID: CWE-400
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 cause a denial of service.

The vulnerability exists due to resource exhaustion in discussions endpoint when handling crafted requests. A remote user can send crafted requests to cause a denial of service.


How to mitigate CVE-2025-0186

Install security update from vendor's website.

Sources