A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes.Referenceshttps://hackerone.com/reports/697959https://nextcloud.com/security/advisory/?id=NC-SA-2020-002http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html
