cve/2023/CVE-2023-6840.md

### [CVE-2023-6840](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6840)
![](https://img.shields.io/static/v1?label=Product&message=GitLab&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=16.4%3C%2016.6.7%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-284%3A%20Improper%20Access%20Control&color=brighgreen)

### Description

An issue has been discovered in GitLab EE affecting all versions from 16.4 prior to 16.6.7, 16.7 prior to 16.7.5, and 16.8 prior to 16.8.2 which allows a maintainer to change the name of a protected branch that bypasses the security policy added to block MR.

### POC

#### Reference
- https://gitlab.com/gitlab-org/gitlab/-/issues/435500

#### Github
No PoCs found on GitHub currently.