PHP2Shell: PHP patches critical unauthenticated RCE flaws CVE-2026-109618 and CVE-2026-109619 as exploitation attempts begin
The PHP security team released emergency fixes on October 21, 2026 at 14:00 UTC for two critical core flaws, CVE-2026-109618 and CVE-2026-109619, nicknamed PHP2Shell. Both are rated CVSS v4.0 9.2 and allow unauthenticated remote code execution (RCE) as the web worker account. They can also expose process memory that may hold credentials a…