Resource exhaustion in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-13436
Published: March 25, 2026 / Updated: March 26, 2026
Vulnerability identifier: #VU124604
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-2025-13436
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
Gitlab Community Edition
GitLab Enterprise Edition
Detailed vulnerability description
The vulnerability allows a remote user to cause a denial of service due to excessive resource consumption.
The vulnerability exists due to improper input validation in CI configuration processing when handling certain CI-related inputs. A remote user can send a specially crafted CI configuration to trigger excessive resource consumption and cause a denial of service.
How to mitigate CVE-2025-13436
Install security update from vendor's website.