PHP2Shell (CVE-2026-109618, CVE-2026-109619): critical RCE, exploited in the wild. Fixed in 8.5.12 · 8.4.27 · 8.3.36 · 8.2.35. Read the advisory
Advisories

PHP security advisories, curated and triaged.

The advisories Shellproof checks against, each taken from the official PHP source. Every row links to the primary source. For the complete, machine-readable PHP release history, see /data/php-releases.json.

CVE Severity CVSS Fixed in Details
CVE-2026-109618 PHP2Shell — RCE via out-of-memory state corruption Critical 9.2 v4.0 8.2.35 · 8.3.36 · 8.4.27 · 8.5.12 Advisory →
CVE-2026-109619 PHP2Shell — RCE via stale request state (use-after-free) Critical 9.2 v4.0 8.2.35 · 8.3.36 · 8.4.27 · 8.5.12 Advisory →
CVE-2024-4577 PHP-CGI argument injection on Windows (Best-Fit) Critical 9.8 v3.1 8.1.29 · 8.2.20 · 8.3.8 GHSA ↗

Click a column heading to sort. CVE-2024-4577 is listed in CISA's Known Exploited Vulnerabilities catalogue. Affects Windows php-cgi installs.

Sources
  1. PHP advisory announcements, October 2026 — php.net/archive/2026.php
  2. CVE-2026-109618 — GHSA-w8hw-w9fx-j79w
  3. CVE-2026-109619 — GHSA-6wmf-4rv5-p3rp
  4. CVE-2024-4577 — GHSA-3qgc-jrrr-25jv · CISA KEV