CVE-2026-11527 Config::IniFiles versions before 3.001000 for Perl allow OS command injection and file overwrite via a 2-arg open() of the -file argument in _make_filehandle

Config::IniFiles versions before 3.001000 for Perl allow OS command injection and file overwrite via a 2-arg open of the -file argument in makefilehandle. Config::IniFiles::makefilehandle opens a filename argument with Perl's 2-arg open, so a filename that begins or ends with a pipe "| cmd", "cmd...