PHP 8.5.12, 8.4.27, 8.3.36 and 8.2.35 fix two critical flaws that allow unauthenticated code execution, in some setups before any application code runs. Here is what goes wrong in the interpreter, ...
The PHP security team released emergency security patches for two critical remote code execution (RCE) vulnerabilities (CVE-2026-109618 and CVE-2026-109619) tracked collectively as PHP2Shell.