21CTO

Oct 25, 2026 · Information Security

PHP2Shell RCE (CVE-2026-109618/19): Patch Guide, Aikido Images & Mitigations

This guide covers two critical PHP RCE vulnerabilities (CVE-2026-109618 and CVE-2026-109619) with CVSS 9.2, providing patch versions (8.5.12, 8.4.27, 8.3.36, 8.2.35), free Aikido patched container images for older branches, verification commands, mitigations like memory_limit=-1 and disabling session.upload_progress, and post-patch compromise checks.