Resource exhaustion in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-13436

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Main Vulnerability Database Vulnerabilities #VU124604

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: 7.1 [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]
CVE-ID: CVE-2025-13436
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Gitlab Community Edition
GitLab Enterprise Edition

How to mitigate CVE-2025-13436

Install security update from vendor's website.

Gitlab Community Edition - addressed in versions 18.8.7, 18.9.3, 18.10.1
GitLab Enterprise Edition - addressed in versions 18.8.7, 18.9.3, 18.10.1

External References

Related Security Bulletins