CVE-2024-2191 Improper Access Control in GitLab

What is CVE-2024-2191?

CVE-2024-2191 is a medium-severity missing authorization vulnerability in Gitlab Gitlab, published on 26 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in GitLab CE/EE affecting all versions starting from 16.9 prior to 16.11.5, starting from 17.0 prior to 17.0.3, and starting from 17.1 prior to 17.1.1, which allows merge request title to be visible publicly despite being set as project members only.

Weakness: CWE-284

Which versions are affected by CVE-2024-2191?

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

Products include Gitlab Gitlab.

How do I fix CVE-2024-2191?

Upgrade gitlab to a fixed version for your release line: 16.11.5, 17.0.3 or 17.1.1.

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

Is CVE-2024-2191 being exploited?

There is no known exploitation of CVE-2024-2191 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-2024-2191, GHSA-fjc3-h6x3-cpx9, UBUNTU-CVE-2024-2191.