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The Node.js security release of 21 October 2026 explained: what Node2Shell (CVE-2026-111497, a Brotli decoder bug) is, how it reaches apps through fetch(), zlib and Express 5, a plain-English table of all 10 CVEs, the fixed versions 26.12.1, 24.22.1 and 22.23.4, and how to update laptops, Docker images and hosting platforms.
PHP2Shell explained in simple words: what the two critical PHP bugs CVE-2026-109618 and CVE-2026-109619 are, who is affected, the fixed PHP versions, step-by-step update commands for Ubuntu, Debian, RHEL, Docker, Windows and cPanel, temporary steps if you cannot update today, and the signs of an attack to check.
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