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Today's PHP Security Release, and How We're Strengthening PHP Security

Simon Willison · Oct 21, 2026 · 2:41 PM ET

Today's PHP Security Release, and How We're Strengthening PHP Security If you're running anything on PHP it's vital you upgrade - today's updates (across the entire PHP 8.x line) address two remote code execution holes, and there have been exploits circulating since last night, thanks to a leak in the coordinated disclosure process. This post from the PHP Foundation explain what went so wrong: On...

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Rules judge: AI item; Source: Simon Willison.

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