Kiteworks is a private data network (PDN). Prior to version 9.1.0, improper input validation when managing roles of a shared folder could lead to unexpectedly elevate another user's permissions on the share. This issue has been patched in version 9.1.0.
Authentication Bypass vulnerability in Accellion kiteworks before 2017.01.00 allows remote attackers to execute certain API calls on behalf of a web user using a gathered token via a POST request to /oauth/token.