PHP2Shell: Two Unpatched Critical PHP RCE Flaws (CVSS 9.2) Trigger Emergency Security Alert
The Hacker News · Oct 21, 2026
PHP will ship an out-of-cycle security release at 14:00 UTC today, October 21, for two critical vulnerabilities that its security team has rated 9.2 on the CVSS v4.0 scale but has not described. Security researchers at watchTowr say the two flaws allow remote code execution. Only the four supported PHP branches, 8.2 through 8.5, can receive the fix, and no exploitation has been reported so far.
Read original on The Hacker News
Want to stay informed about new business solutions?
Follow us
Ready to build a better digital experience?
We create modern multilingual websites, integrate external services and automate content workflows for growing businesses.