CVE-2024-3127 Improper Access Control in GitLab

What is CVE-2024-3127?

CVE-2024-3127 is a medium-severity authentication bypass vulnerability in Gitlab Gitlab, published on 22 Aug 2024. 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 EE affecting all versions starting from 12.5 before 17.1.6, all versions starting from 17.2 before 17.2.4, all versions starting from 17.3 before 17.3.1. Under certain conditions it may be possible to bypass the IP restriction for groups through GraphQL allowing unauthorised users to perform some actions at the group level.

Weakness: CWE-863, CWE-284

Which versions are affected by CVE-2024-3127?

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

Products include Gitlab Gitlab.

How do I fix CVE-2024-3127?

Upgrade gitlab to a fixed version for your release line: 17.1.6, 17.2.4 or 17.3.1.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2024-3127 being exploited?

There is no known exploitation of CVE-2024-3127 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-2024-3127, GHSA-9c64-9pw3-wh7p, UBUNTU-CVE-2024-3127.