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2026-018: Critical Vulnerabilities in PHP

Our takePHP released emergency patches for two critical RCE flaws (CVE-2026-109618, CVE-2026-109619) dubbed PHP2Shell. Update to 8.5.12, 8.4.27, 8.3.36 or 8.2.35 immediately, starting with internet-facing systems.
Sources (15)
What this means for you — Security leader:Apply the PHP security updates (8.5.12, 8.4.27, 8.3.36, 8.2.35) immediately on all internet-facing systems; test in staging first where possible.
What this means for you — Lean IT orgs:Update PHP on your web server or hosting control panel as soon as the patches drop today; if you cannot update right now, take the site offline until you can.
What this means for you — MSP:Deploy the new PHP versions (8.5.12 / 8.4.27 / 8.3.36 / 8.2.35) across all client environments today, prioritising internet-facing web servers first.
What this means for you — Researcher:CVE-2026-109618 and CVE-2026-109619 enable unauthenticated remote code execution; details remain limited until the patches and analysis are public.