Cloudflare deploys protections against php2shell vulnerability
Source: Cloudflare Security
At a glance
Today, Calif.io, Wiz, OpenAI and Quarkslab disclosed two vulnerabilities in PHP, tracked as CVE-2026-109618 and CVE-2026-109619 and known as php2shell . The vulnerabilities affect all web servers running PHP 5.4 or later and they may allow an attacker to cause denial of service, remote code execution, and data exposure when an application processes specially crafted HTTP traffic. Cloudflare has been part of a coordinated effort to deploy mitigations to protect the Internet, working with PHP foundation , OpenAI and Wiz among others. Cloudflare has developed and deployed web application firewal…