Denial of Service Vulnerability in GitLab CE/EE Products
CVE-2025-13436

6.5MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
25 March 2026

What is CVE-2025-13436?

A vulnerability in GitLab CE/EE allows authenticated users to exploit certain CI-related inputs, leading to a denial of service by causing excessive resource consumption. This issue affects versions prior to 18.8.7, 18.9.3, and 18.10.1. It highlights the need for users to update to the latest versions to mitigate potential disruptions in service.

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Affected Version(s)

GitLab 13.7 < 18.8.7

GitLab 18.9 < 18.9.3

GitLab 18.10 < 18.10.1

References

https://hackerone.com/reports/3418149
technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/581372
https://about.gitlab.com/releases/2026/03/25/patch-releas...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [a92847865](https://hackerone.com/a92847865) for reporting this vulnerability through our HackerOne bug bounty program
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