The WURFL is a Device Description Repository (DDR), or framework that enables applications to map HTTP requests to a description of the capability of the mobile device that requests the page. This framework is written in Java.
Security researcher Avicoder reported that he uncovered a vulnerability in Twitter's Docker installation housing its Vine source code. The researcher downloaded the entire Vine source code in one of the 80+ server images pulled. Twitter secured the install within 5 minutes, and paid compensation.