High severity8.0NVD Advisory· Published Feb 25, 2026· Updated Jun 17, 2026
CVE-2026-0752
CVE-2026-0752
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that under certain circumstances, could have allowed an unauthenticated user to inject arbitrary scripts into the Mermaid sandbox UI.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*range: 16.2
- (no CPE)range: <18.7.5, <18.8.5, <18.9.1
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=16.2.0,<18.7.5
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=16.2.0,<18.7.5
- cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:community:*:*:*
- cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:enterprise:*:*:*
- Range: <18.7.5, <18.8.5, <18.9.1
Patches
Vulnerability mechanics
References
3- about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/nvdRelease NotesVendor Advisory
- gitlab.com/gitlab-org/gitlab/-/issues/585371nvdBroken Link
- hackerone.com/reports/3473276nvdPermissions Required
News mentions
1- GitLab Patch Release: 18.9.1, 18.8.5, 18.7.5GitLab Security Releases · Feb 25, 2026