High severity7.5NVD Advisory· Published May 14, 2026· Updated May 15, 2026
CVE-2026-1659
CVE-2026-1659
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.0 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by sending specially crafted requests due to insufficient input validation.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4(expand)+ 2 more
- (no CPE)
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=9.0.0,<18.9.7
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=9.0.0,<18.9.7
Patches
Vulnerability mechanics
References
2- about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/nvdRelease Notes
- hackerone.com/reports/3519824nvdPermissions Required
News mentions
1- GitLab Patch Release: 18.11.3, 18.10.6, 18.9.7GitLab Security Releases · May 13, 2026