Improper access control in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2026-3074
Published: May 18, 2026
Vulnerability identifier: #VU131681
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-3074
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to download private debugging symbols from inaccessible projects.
The vulnerability exists due to improper access control in NuGet Symbol Server when handling symbol download requests. A remote user can request private debugging symbols to download private debugging symbols from inaccessible projects.
Affected software
Gitlab Community Edition
GitLab Enterprise Edition
GitLab Enterprise Edition
How to mitigate CVE-2026-3074
Install security update from vendor's website.
Gitlab Community Edition - addressed in versions 18.9.7, 18.10.6, 18.11.3
GitLab Enterprise Edition - addressed in versions 18.9.7, 18.10.6, 18.11.3
GitLab Enterprise Edition - addressed in versions 18.9.7, 18.10.6, 18.11.3