Allocation of Resources Without Limits or Throttling in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-13690

 

Allocation of Resources Without Limits or Throttling in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-13690

Published: March 12, 2026


Vulnerability identifier: #VU123912
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-2025-13690
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation on webhook custom header names. A remote user can pass specially crafted input to the application and cause a denial of service condition on the target system.


Affected software

Gitlab Community Edition
GitLab Enterprise Edition

How to mitigate CVE-2025-13690

Install updates from vendor's website.

Gitlab Community Edition - addressed in versions 18.7.6, 18.8.6, 18.9.2
GitLab Enterprise Edition - addressed in versions 18.7.6, 18.8.6, 18.9.2

External References

Related Security Bulletins