Brightmail leaks other user's spam

Brightmail Spamfilter 6.0 offer a possibility to manage mails identified as spam in a http-driven "control-center" on the Brightmail-Server via links like http://SERVER:41080/brightmail/quarantine/viewMsgDetails.do?id=QMsgView-3;3-0 Simply altering the last numbers in the URL 3;3 to 4;4, eg. show...