Improper Authorization in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2026-4524
Published: May 18, 2026
Vulnerability identifier: #VU131674
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-4524
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GitLab, Inc
Affected software:
Gitlab Community Edition
GitLab Enterprise Edition
Gitlab Community Edition
GitLab Enterprise Edition
Detailed vulnerability description
The vulnerability allows a remote user to disclose confidential issue content in public projects.
The vulnerability exists due to improper authorization checks in Issues API when handling requests for confidential issues. A remote user can access confidential issue content to disclose confidential issue content in public projects.
How to mitigate CVE-2026-4524
Install security update from vendor's website.