CVE-2018-3762

Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.

Date published : 2018-07-05

https://nextcloud.com/security/advisory/?id=nc-sa-2018-002

https://hackerone.com/reports/358339