What is CVE-2026-4332?

CVE-2026-4332 is a medium-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-08.

How severe is CVE-2026-4332?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Gitlab

CVE-2026-4332

GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that, in customizable analytics dashboards, could have allowed an authenticated user to execute arbitr…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (9.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Gitlab — versions 18.2, 18.9, 18.10

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

gitlab.com/gitlab-org/gitlab/-/work_items/593853
HackerOne Bug Bounty Report #3600345 (technical-description, exploit, permissions-required)
about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/

Frequently asked questions

What is CVE-2026-4332?: CVE-2026-4332 is a medium-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-08.
How severe is CVE-2026-4332?: Medium severity. CVSS v3 base score is 5.4 out of 10.