A security Bypass vulnerability exists in the FcgidPassHeader Proxy in mod_fcgid through 2016-07-07.
https://www.tenable.com/security/tns-2017-04
http://www.securityfocus.com/bid/91822
http://www.openwall.com/lists/oss-security/2016/07/18/6
http://lists.opensuse.org/opensuse-updates/2016-08/msg00084.html