cve/2020/CVE-2020-26409.md

### [CVE-2020-26409](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26409)
![](https://img.shields.io/static/v1?label=Product&message=GitLab%20CE%2FEE&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Uncontrolled%20resource%20consumption%20in%20GitLab&color=brighgreen)

### Description

A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.

### POC

#### Reference
- https://gitlab.com/gitlab-org/gitlab/-/issues/259626
- https://gitlab.com/gitlab-org/gitlab/-/issues/259626

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