Cross-site scripting in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-10086

 

Cross-site scripting in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-10086

Published: June 25, 2026


Vulnerability identifier: #VU135172
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-10086
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to execute arbitrary client-side code in the context of another user's session.

The vulnerability exists due to improper neutralization of input during web page generation in analytics dashboard when rendering user-supplied input. A remote user can inject crafted content to execute arbitrary client-side code in the context of another user's session.

User interaction is required to load the affected content.


Affected software

GitLab Enterprise Edition
Gitlab Community Edition

How to mitigate CVE-2026-10086

Install security update from vendor's website.

GitLab Enterprise Edition - addressed in versions 18.11.6, 19.0.3, 19.1.1
Gitlab Community Edition - addressed in versions 18.11.6, 19.0.3, 19.1.1

External References

Related Security Bulletins