PHP2Shell
2026 security vulnerability in PHP
PHP2Shell is a set of two high-impact vulnerabilities in PHP versions 5.4–8.5, known under Common Vulnerabilities and Exposures IDs CVE-2026-109618 and CVE-2026-109619, that allow remote code execution (RCE). Their existence was publicly announced on 20 October 2026. An emergency patch and details about the vulnerabilities were released on the following day.
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