Cybersecurity Vulnerabilities and Security Updates: Why Hours Matter, What Defense Tech and Dual Use Companies Should Do Now

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Wilson Sonsini – On October 21, 2026, the PHP project patched two critical remote-code-execution vulnerabilities, together called php2shell, that affect nearly every system running PHP to serve web traffic, including sites built on WordPress, Drupal, and Magento, as well as many custom portals.

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