Critical PHP Vulnerabilities Were Under Attack Days Before Security Updates Were Released

The detected exploitation attempts targeting two critical PHP vulnerabilities on October 17, 2026, four days before their public disclosure and security updates. Tracked as CVE-2026-109618 and CVE-2026-109619, the vulnerabilities are collectively called PHP2Shell and can enable unauthenticated remote code execution on vulnerable web servers. Both carry CVSS v4.0 scores of 9.2. The earliest attempt reached […]

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