EmbedThis GoAhead 3.0.0 through 3.4.1 does not properly handle path segments starting with a . (dot), which allows remote attackers to conduct directory traversal attacks, cause a denial of service (heap-based buffer overflow and crash), or possibly execute arbitrary code via a crafted URI.
https://github.com/embedthis/goahead/issues/106
https://github.com/embedthis/goahead/commit/eed4a7d177bf94a54c7b06ccce88507fbd76fb77
http://www.securitytracker.com/id/1032208
http://www.securityfocus.com/archive/1/535027/100/0/threaded