AI agent skills for PHP2Shell: what each one checks

PHP2Shell (CVE-2026-109618 and CVE-2026-109619) is a pair of flaws in PHP itself. The PHP project fixed them on 21 October 2026 in PHP 8.2.35, 8.3.36, 8.4.27 and 8.5.12 (php.net advisory). Within two