Kong Gateway Enterprise and Kong AI Gateway include decoded CR/LF characters from the request path in the X-Forwarded-Prefix header on regex Routes, allowing HTTP header injection and request smuggling to the upstream.
Improper Neutralization of CRLF Sequences The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.