### [CVE-2019-5449](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5449) ![](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%20Authentication%20-%20Generic%20(CWE-287)&color=brighgreen) ### Description A missing check in the Nextcloud Server prior to version 15.0.1 causes leaking of calendar event names when adding or modifying confidential or private events. ### POC #### Reference - https://hackerone.com/reports/231917 - https://hackerone.com/reports/476615 #### Github - https://github.com/schokokeksorg/freewvs