WinGate 5.2.3 build 901 and 6.0 beta 2 build 942, and other versions such as 5.0.5, allows remote attackers to read arbitrary files via leading slash (//) characters in a URL request to the wingate-internal directory.
Directory traversal vulnerability in the logfile service of Wingate 4.1 Beta A and earlier allows remote attackers to read arbitrary files via a .. (dot dot) attack via an HTTP GET request that uses encoded characters in the URL.