PHP team warns of two critical vulnerabilities, patches due Oct 21

EthanJPerez · x · 2026-10-21

PHP's security team has issued a warning about two critical vulnerabilities, urging sites running PHP to prepare to apply the patch released Oct 21, 11pm JST as soon as possible. The warning thread also includes an emergency checklist: check for password reuse, enable 2FA, avoid online payments and entering personal info, treat any password-reset emails as potential phishing, and delete accounts on sites you no longer use.

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