Home / Blog / Checklists / PHP2Shell response PHP2Shell: An Urgent Response Checklist for MSPs By Alaukik K. Singh, founder of MSPHustle Updated October 23, 2026 16 min read Short answer PHP2Shell is the name used for two critical PHP flaws, CVE-2026-109618 and CVE-2026-109619, that PHP fixed on October 21, 2026 in versions 8.5.12, 8.4.27, … Read more