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A critical vulnerability in PHP allowing for remote code execution is discovered, causing many websites to

PHP2Shell — A critical vulnerability in PHP allowing for remote code execution is discovered, causing many websites to temporarily go offline while a security update is pushed the following da

Published October 20, 2026· Updated October 28, 2026·1 min read

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Context: PHP2Shell.

A critical vulnerability in PHP allowing for remote code execution is discovered, causing many websites to temporarily go offline while a security update is pushed the following day. [https://www.nbcnews.com/tech/security/critical-vulnerabilities-php-update-systems-rcna604751 (NBC News)]

Event summary via Wikipedia Current Events (2026-10-20).