CISA Adds Two Critical PHP Flaws to Actively Exploited Vulnerabilities

CISA has recorded active exploitation of PHP flaws CVE-2026-109618 and CVE-2026-109619. Fixes have been available since October 21 across several supported branches.

CISA has recorded active exploitation of PHP flaws CVE-2026-109618 and CVE-2026-109619. Fixes have been available since October 21 across several supported branches.

The PHP project fixed two critical vulnerabilities enabling unauthenticated remote code execution. AWS detected exploitation attempts before the fixes were publicly disclosed.

The PHP project released updates for CVE-2026-109618 and CVE-2026-109619. The flaws may allow unauthenticated remote code execution; during patch deployment, some operators restricted website availability.