The console in Puppet Enterprise 2015.x and 2016.x prior to 2016.4.0 includes unsafe string reads that potentially allows for remote code execution on the console node.
The console in Puppet Enterprise 3.7.x, 3.8.x, and 2015.2.x does not set the secure flag for the JSESSIONID cookie in an HTTPS session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an HTTP session.