Limbo CMS 1.0.4.2 and earlier allows remote attackers to obtain the installation path of the application via a direct request to (1) doc.inc.php, (2) element.inc.php, and (3) node.inc.php, which leaks the path in an error message.
http://www.vupen.com/english/advisories/2005/2932
http://www.securityfocus.com/archive/1/419470/100/0/threaded