VULNERABILITYMalwarebytes
PHP2Shell: Why websites are going offline for emergency security updates
If you’ve encountered websites in maintenance mode today, it may be a security precaution. Reports of attacks targeting two critical PHP vulnerabilities have prompted warnings to install emergency updates and consider temporarily taking affected services offline until they can be patched. The vulnerabilities, known as PHP2Shell, are tracked as CVE-2026-109618 and CVE-2026-109619. Both carry a severity rating of 9.2 out of 10. PHP is a programming language that works behind the scenes to power a large part of the web.
Sources
- Malwarebytes · 21-Oct-2026