Medium severity6.5NVD Advisory· Published Mar 11, 2026· Updated Jun 17, 2026
CVE-2025-13690
CVE-2025-13690
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*range: 16.11
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=16.11.0,<18.7.6
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=16.11.0,<18.7.6
- Range: 16.11 <= versions < 18.7.6, 18.8 < versions < 18.8.6, 18.9 < versions < 18.9.2
Patches
Vulnerability mechanics
References
2- about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/nvdRelease NotesVendor Advisory
- hackerone.com/reports/3415683nvdPermissions Required
News mentions
1- GitLab Patch Release: 18.9.2, 18.8.6, 18.7.6GitLab Security Releases · Mar 11, 2026