cve/2019/CVE-2019-5461.md

### [CVE-2019-5461](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5461)
![](https://img.shields.io/static/v1?label=Product&message=GitLab%20Community%20Edition&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Improper%20Input%20Validation%20(CWE-20)&color=brighgreen)

### Description

An input validation problem was discovered in the GitHub service integration which could result in an attacker being able to make arbitrary POST requests in a GitLab instance's internal network. This vulnerability was addressed in 12.1.2, 12.0.4, and 11.11.6.

### POC

#### Reference
- https://gitlab.com//gitlab-org/gitlab-ce/issues/54649
- https://gitlab.com//gitlab-org/gitlab-ce/issues/54649
- https://hackerone.com/reports/446593
- https://hackerone.com/reports/446593

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