PHP2Shell: Exploitation Attempts and Remediation Trends

php2shell in Practice: Exploitable, Conditional, and Hard to Mass-Exploit

Cutting Through the php2shell Noise On October 20, details of php2shell, two pre-auth RCE vulnerabilities in the PHP core discovered by Calif (CVE-2026-109618 and CVE-2026-109619), leaked ahead of coordinated disclosure. Advisories listing affected versions followed quickly, along with a flood of PoCs, many AI-generated and non-functional. We waited until we had our own data. This […]

PHP2Shell: Exploitation Attempts and Remediation Trends

Last week, we published a report describing two major vulnerabilities in PHP (CVE-2026-109618, CVE-2026-109619). Since then, alongside much of the security industry, the Wiz Research team has been monitoring for related activity in the wild and reviewing publicly available exploit code. So far, we have observed a limited number of exploitation attempts in our telemetry and have not identified a publicly available proof of concept (PoC) demonstra…

Obstacles to Weaponizing PHP2Shell Likely Constrain Immediate Widespread Exploitation

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