CVE-2026-75922 Reverse::Proxy versions before 0.04 for Perl allow HTTP request smuggling via a percent-decoded PATH_INFO written unencoded to the upstream request line

Reverse::Proxy versions before 0.04 for Perl allow HTTP request smuggling via a percent-decoded PATHINFO written unencoded to the upstream request line. PSGI hands PATHINFO to an application percent-decoded, so a %XX sequence in the client URL has become a raw byte by the time the proxy sees it...