Critical PHP Flaws Spur Global Patch Effort, Temporary Shutdowns

Two critical security flaws were discovered in PHP, a programming language used by up to 70% of websites, leading to a global patch effort and temporary shutdowns of numerous government and corporate websites to prevent cyberattacks.

This Wire brief sits within Fusion42's coverage of Cybersecurity, and 21 sources have reported it between 21 Oct 2026 and 23 Oct 2026.