Insufficient Session Expiration in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2026-6515
Published: May 18, 2026
Vulnerability identifier: #VU131659
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-6515
CWE-ID: CWE-613
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to access Virtual Registries with invalidated or incorrectly scoped credentials.
The vulnerability exists due to insufficient session expiration in virtual registry credentials validation when validating credentials under certain conditions. A remote user can use invalidated or incorrectly scoped credentials to access Virtual Registries with invalidated or incorrectly scoped credentials.
Affected software
Gitlab Community Edition
GitLab Enterprise Edition
GitLab Enterprise Edition
How to mitigate CVE-2026-6515
Install security update from vendor's website.
Gitlab Community Edition - addressed in versions 18.9.6, 18.10.4, 18.11.1
GitLab Enterprise Edition - addressed in versions 18.9.6, 18.10.4, 18.11.1
GitLab Enterprise Edition - addressed in versions 18.9.6, 18.10.4, 18.11.1