CVE-2026-54494

Koel (open-source music streaming, Laravel) prior to 9.7.1 has a full-read SSRF (CWE-918) in its outbound-URL guard App\Helpers\Network::isPublicHost(). PHP's filter_var() with FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE does not reject NAT64 (64:ff9b::/96) or 6to4 (2002::/16) IPv6 trans...