cve/2019/CVE-2019-15613.md

### [CVE-2019-15613](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15613)
![](https://img.shields.io/static/v1?label=Product&message=Nextcloud%20Server&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

A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes.

### POC

#### Reference
- https://hackerone.com/reports/697959
- https://hackerone.com/reports/697959

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