### [CVE-2019-15620](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15620) ![](https://img.shields.io/static/v1?label=Product&message=Nextcloud%20Talk&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%20Authentication%20-%20Generic%20(CWE-287)&color=brighgreen) ### Description Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature. ### POC #### Reference - https://hackerone.com/reports/662218 #### Github No PoCs found on GitHub currently.