CISA KEV: CVE-2026-109618 — PHP Group PHP actively exploited

PHP Memory Corruption Vulnerability. PHP contains an out-of-memory corruption vulnerability that allows for unauthenticated remote code execution. Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigati