Security alert: Two critical PHP flaws let attackers run code on web servers. What you need to know
On October 21, 2026, PHP released emergency updates for two critical vulnerabilities, CVE-2026-109618 and CVE-2026-109619, known as "PHP2Shell". Their severity is rated 9.2 out of 10. PHP2Shell allows an attacker to run code on your server remotely, without logging in or having an account on your website. A single crafted request can be enough. What is PHP? PHP is the language that runs