⚠️ #SW_ISAC_ADVISORY Service providers operating PHP-based platforms please take note of PHP critical vulnerabilities, both rated CVSS v4.0 9.2 Major government and ecommerce services have shut down pending the patch. Exploits are already circulating. Shut your service down now, and ensure it doesn't have Internet access on restart. A patch is scheduled for Wednesday, 21 October 2026 at 14:00 UTC 0100 AEDT 2300 JST 1600 CST 1500 BST 1000 EST 0700 PST https://cert.europa.eu/publications/security-advisories/2026-018/