Arbitrary JavaScript Execution Vulnerability in GitLab EE
CVE-2026-4332

5.4MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
8 April 2026

What is CVE-2026-4332?

GitLab has identified a security concern in GitLab EE related to customizable analytics dashboards. An improper sanitization of user input could allow an authenticated user to execute arbitrary JavaScript in the context of another user's browser. This could lead to unauthorized actions within the application, posing risks to user data and application integrity. The issue has been addressed in subsequent releases, reinforcing the importance of proper input handling in web applications.

Affected Version(s)

GitLab 18.2 < 18.8.9

GitLab 18.9 < 18.9.5

GitLab 18.10 < 18.10.3

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/593853
https://hackerone.com/reports/3600345
technical-descriptionexploitpermissions-required
https://about.gitlab.com/releases/2026/04/08/patch-releas...

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [go7f0](https://hackerone.com/go7f0) for reporting this vulnerability through our HackerOne bug bounty program
.