Directory traversal vulnerability in Pegasi Web Server (PWS) 0.2.2 allows remote attackers to read files outside of the web root via a .. (dot dot) directly after the initial '/' (slash) in the URI.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15435
http://sourceforge.net/forum/forum.php?forum_id=359660
http://archives.neohapsis.com/archives/bugtraq/2004-03/0136.html