JavaScript Injection Vulnerability in GitLab Enterprise Edition
CVE-2026-7377

8.7HIGH

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
14 May 2026

What is CVE-2026-7377?

GitLab has identified a vulnerability in its Enterprise Edition that affects certain versions, enabling an authenticated user to execute arbitrary JavaScript within the browsers of other users. This issue stems from insufficient sanitization of user inputs in customizable analytics dashboards, potentially compromising user data and application integrity. It is essential for organizations using affected versions to implement the latest security updates provided by GitLab.

Affected Version(s)

GitLab 18.7 < 18.9.7

GitLab 18.10 < 18.10.6

GitLab 18.11 < 18.11.3

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/598497
https://hackerone.com/reports/3659044
technical-descriptionexploitpermissions-required
https://about.gitlab.com/releases/2026/05/13/patch-releas...

CVSS V3.1

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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