Critical PHP core RCE vulnerability rated CVSS 9.2, details delayed to Oct 21
cyb3rops · x · 2026-10-21
- Security researcher cyb3rops confirmed a remote code execution (RCE) vulnerability in PHP core, initially flagged at CVSS 10.0 and now rated 9.2.
- Full details were scheduled for October 20 but have been pushed to October 21, 14:00 UTC.
- Only PHP 8 will receive patches; older branches are not covered.
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