this post was submitted on 21 Oct 2026
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The set of vulnerabilities is dubbed PHP2Shell and disclosure is scheduled for 14:00 UTC with attacks expected to follow soon after.

It is adviced to take offline every non-vital services until the patch has been installed (or the Docker image has been updated with a patched version of PHP)

Update: fix is out https://www.php.net/archive/2026.php#2026-10-21-5

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[–] IanTwenty@piefed.social 3 points 3 weeks ago

They didn't move fast enough on it and others began circulating it. So they had to play catch up, hence the need to react before they had a patch.

We won't pretend otherwise: the delay was a structural failure, caused by both the security team's decision process and its lack of resources. The security team has since started changing its processes, and that work continues, so that decisions can be made by majority and compromises are encouraged.

https://thephp.foundation/blog/2026/10/21/todays-php-security-release-and-how-were-strengthening-php-security/