Input validation error in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-2853
Published: May 22, 2025
Vulnerability identifier: #VU109648
CSH Severity: Medium
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:Green
CVE-ID: CVE-2025-2853
CWE-ID: CWE-20
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 useer to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of notes before posting. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.
How to mitigate CVE-2025-2853
Install updates from vendor's website.