CVE-2026-0752

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:enterprise:*:*:*

History

17 Jun 2026, 10:11

Type Values Removed Values Added
Summary
  • (es) GitLab ha remediado un problema en GitLab CE/EE que afecta a todas las versiones desde la 16.2 antes de la 18.7.5, la 18.8 antes de la 18.8.5, y la 18.9 antes de la 18.9.1 que, bajo ciertas circunstancias, podría haber permitido a un usuario no autenticado inyectar scripts arbitrarios en la interfaz de usuario del sandbox de Mermaid.

28 Feb 2026, 00:44

Type Values Removed Values Added
References () https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/ - () https://about.gitlab.com/releases/2026/02/25/patch-release-gitlab-18-9-1-released/ - Release Notes, Vendor Advisory
References () https://gitlab.com/gitlab-org/gitlab/-/issues/585371 - () https://gitlab.com/gitlab-org/gitlab/-/issues/585371 - Broken Link
References () https://hackerone.com/reports/3473276 - () https://hackerone.com/reports/3473276 - Permissions Required
CPE cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:enterprise:*:*:*
First Time Gitlab
Gitlab gitlab

25 Feb 2026, 21:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-02-25 21:16

Updated : 2026-06-17 10:11


NVD link : CVE-2026-0752

Mitre link : CVE-2026-0752

CVE.ORG link : CVE-2026-0752


JSON object : View

Products Affected

gitlab

  • gitlab
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')