Token Bypass Vulnerability in GitLab EE Affects User Governance Controls
CVE-2026-105458

4.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
13 October 2026

What is CVE-2026-105458?

A vulnerability in GitLab EE could allow an authenticated user with specific granular permissions to obtain a GitLab Duo Agent Platform token, circumventing essential governance controls. This risk arises from the system's dependency on untrusted input for making critical security decisions. GitLab has addressed this issue in subsequent releases to enhance the security posture of its platform.

Affected Version(s)

GitLab 19.1 < 19.2.8

GitLab 19.3 < 19.3.5

GitLab 19.4 < 19.4.2

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/627711
https://docs.gitlab.com/releases/patches/patch-release-gi...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This vulnerability has been discovered internally by a GitLab team member Rahul Barnwal.
.