CVE-2023-3907 Improper User Management in GitLab
A project Maintainer can escalate their role to Owner using a Project Access Token in GitLab Enterprise Edition.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-3907?
CVE-2023-3907 is a medium-severity vulnerability in Gitlab Gitlab, published on 17 Dec 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A privilege escalation vulnerability in GitLab EE affecting all versions from 16.0 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows a project Maintainer to use a Project Access Token to escalate their role to Owner
Weakness: CWE-286
Which versions are affected by CVE-2023-3907?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 16.0.0 | 16.4.4, 16.5.4, 16.6.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2023-3907?
Upgrade gitlab to a fixed version for your release line: 16.4.4, 16.5.4 or 16.6.2.
Is CVE-2023-3907 being exploited?
There is no known exploitation of CVE-2023-3907 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
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as BIT-gitlab-2023-3907, GHSA-hmrg-q92x-qw2x, UBUNTU-CVE-2023-3907.