CVE-2026-5816 HIGH

CVE-2026-5816: Improper Resolution of Path Equivalence in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-41
Published April 22, 2026
Last update April 23, 2026
View on NVD All CVEs

CVSS base score

8.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.4 and 18.11 before 18.11.1 that could have allowed an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.

Key dates

02Disclosure timeline

April 22, 2026 CVE published
April 23, 2026 Record updated