If you're running Node.js 18 or Node.js 20 in production, your runtime is a security liability right now. Node.js 18 reached end of life on April 30, 2025. Node.js 20 reached end of life on April 30, 2026. Together they represent two of the most widely deployed Node.js versions in production environments — and both are now unpatched. What end of life actually means EOL doesn't mean Node.js stops working. Your app will keep running. What it means is the Node.js team will no longer release security patches for that version. When a new vulnerability is discovered — and they will be — there's no fix coming. This is what security teams call a CVE blind spot. Vulnerability scanners check for known CVEs against supported versions. EOL software accumulates vulnerabilities silently. Your scanner shows green. Your exposure grows.…