Improper Authentication in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2026-4363

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Main Vulnerability Database Vulnerabilities #VU124609

Improper Authentication in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2026-4363

Published: March 25, 2026 / Updated: March 26, 2026


Vulnerability identifier: #VU124609
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-4363
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GitLab, Inc
Affected software:
Gitlab Community Edition
GitLab Enterprise Edition

Detailed vulnerability description

The vulnerability allows a remote user to gain unauthorized access to resources.

The vulnerability exists due to improper caching of authorization decisions in authorization caching when handling requests under certain conditions. A remote user can send a specially crafted request to exploit stale or incorrect authorization cache entries and gain unauthorized access to resources.


How to mitigate CVE-2026-4363

Install security update from vendor's website.

Sources