CVE-2025-13690
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.11 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user to cause a denial of service condition due to improper input validation on webhook custom header names under certain conditions.
- Score
- CVSS 3.1 6.5 Medium
- Status
- Analyzed - cve@gitlab.com
- Published
- 2026-03-11
- Last modified
- 2026-03-12
- Weaknesses
- CWE-770
Affected products
References
- https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/
- https://gitlab.com/gitlab-org/gitlab/-/work_items/582096
- https://hackerone.com/reports/3415683
