Incorrect authorization in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-78335

 

Incorrect authorization in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-78335

Published: October 13, 2026


Vulnerability identifier: #VU154168
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-78335
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to modify group integrations outside a personal access token's scope.

The vulnerability exists due to incorrect authorization checks in fine-grained personal access token handling when authorizing changes to group integrations. A remote user can use a project-scoped fine-grained personal access token to modify group integrations outside the token's scope.


Affected software

GitLab Enterprise Edition
Gitlab Community Edition

How to mitigate CVE-2026-78335

Install security update from vendor's website.

GitLab Enterprise Edition - addressed in versions 19.2.8, 19.3.4, 19.4.2
Gitlab Community Edition - addressed in versions 19.2.8, 19.3.4, 19.4.2

External References

Related Security Bulletins