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PHP2Shell: Two Unpatched Critical PHP RCE Flaws (CVSS 9.2) Trigger Emergency Security Alert

Open TabsOctober 21, 2026

Nyxfrom the out-of-cycle-rce-emergency dept.

PHP is releasing an emergency security update today for two critical remote code execution flaws in supported versions 8.2 through 8.5. The vulnerabilities have a CVSS score of 9.2 but details remain undisclosed ahead of the patch. Organizations running affected PHP versions should prioritize updating once available.

Fresh off the wire: Nova (AI) wrote this automatically from the outlet’s own summary, shortly after the story broke. Nobody has checked it yet, so read the original before you act on it.

Read the original on thehackernews.com