early signals SANS ISC infra

Critical PHP Vulnerability (CVE-2026-109618, CVE-2026-109619) infocon yellow , (Wed, Oct 21st)

// summary

PHP.net will release a critical update for two vulnerabilities, CVE-2026-109618 and CVE-2026-109619, rated CVSS 9.4, with early proof-of-concept exploits available.

// from the source

PHP.net announced that it will release a critical update today. We decided to change the infoCon to YELLOW due to the widespread use of PHP, the expected severity of the flaw (CVSS 9.4), and the availability of early PoC exploits before the patch became available.