CVE-2026-24895 FrankenPHP affected by Path Confusion via Unicode casing in CGI path splitting allows execution of arbitrary files

FrankenPHP is a modern application server for PHP. Prior to 1.11.2, FrankenPHP’s CGI path splitting logic improperly handles Unicode characters during case conversion. The logic computes the split index for finding .php on a lowercased copy of the request path but applies that byte index to the...

CVE-2026-24895

FrankenPHP CGI path splitting bug before 1.11.2 uses lowercased path for split index and applies it to the original path, causing SCRIPT_NAME/SCRIPT_FILENAME to point to the wrong file and potentially execute an unintended file. Root cause: Go strings.ToLower can increase byte length for certain ...