Medium severity5.4NVD Advisory· Published May 14, 2026· Updated Jun 17, 2026
CVE-2026-6335
CVE-2026-6335
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user to execute arbitrary code in another user's browser session due to improper sanitization.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5(expand)+ 2 more
- (no CPE)
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=18.11.0,<18.11.3
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=18.11.0,<18.11.3
- Range: <18.11.3
Patches
Vulnerability mechanics
References
2- about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/nvdRelease Notes
- hackerone.com/reports/3673647nvdPermissions Required
News mentions
1- GitLab Patch Release: 18.11.3, 18.10.6, 18.9.7GitLab Security Releases · May 13, 2026