# 3.1.0-rc1

## Overview

### Security: Privilege escalation through Group hierarchy setting (SS-2013-003)

See [announcement](http://www.silverstripe.org/ss-2013-003-privilege-escalation-through-group-hierarchy-setting/)

### Security: Privilege escalation through Group and Member CSV upload (SS-2013-004)

See [announcement](http://www.silverstripe.org/ss-2013-004-privilege-escalation-through-group-and-member-csv-upload/)

### Security: Privilege escalation through APPLY_ROLES assignment (SS-2013-005)

See [announcement](http://www.silverstripe.org/ss-2013-005-privilege-escalation-through-apply-roles-assignment/)