PT-2026-40872 · Gitlab · Gitlab

Published 2026-05-14 · Updated 2026-05-14 · CVE-2026-6073

NVD

CVSS v3.1

8.7

High

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

GitLab has remediated an issue in GitLab EE affecting all versions from 18.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to execute arbitrary JavaScript in other users' browsers due to improper input sanitization.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-6073

Affected Products

Gitlab

References · 4

• 🔥 https://hackerone.com/reports/3655677 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-6073 · Security Note
• https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released · Note
• https://gitlab.com/gitlab-org/gitlab/-/work_items/596340 · Note