CVE-2026-4916 Missing Authorization in GitLab

What is CVE-2026-4916?

CVE-2026-4916 is a low-severity missing authorization vulnerability in Gitlab Gitlab, published on 8 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.

Weakness: CWE-862

Which versions are affected by CVE-2026-4916?

1 open source package ship an affected version, including gitlab. It affects 1 product.

Products include Gitlab Gitlab.

How do I fix CVE-2026-4916?

Upgrade gitlab to a fixed version for your release line: 18.8.9, 18.9.5 or 18.10.3.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-4916 being exploited?

There is no known exploitation of CVE-2026-4916 in the wild and no public exploit code.

Other vulnerabilities in Gitlab Gitlab

• CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound Exploited Critical 10.0
• CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal Exploited Critical 10.0
• CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control Exploited Critical 10.0
• CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution Exploited Critical 10.0
• CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Exploited Medium 6.8

All Gitlab Gitlab vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-gitlab-2026-4916, GHSA-h92q-g5vv-9g2c, UBUNTU-CVE-2026-4916.