CVE-2023-2190 Authorization Bypass Through User-Controlled Key in GitLab

What is CVE-2023-2190?

CVE-2023-2190 is a medium-severity missing authorization vulnerability in Gitlab Gitlab, published on 13 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.10 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. It may be possible for users to view new commits to private projects in a fork created while the project was public.

Weakness: CWE-639

Which versions are affected by CVE-2023-2190?

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

Products include Gitlab Gitlab.

How do I fix CVE-2023-2190?

Upgrade gitlab to a fixed version for your release line: 15.11.10, 16.0.6 or 16.1.1.

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

Is CVE-2023-2190 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2190 exists.

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-2023-2190, GHSA-258v-vrh7-jgj2, UBUNTU-CVE-2023-2190.