Onix React on Telegram: “🚨 Next.js Vulnerability: CVE-2026-44578 → affec…”

Post #1296 185 May 15, 2026, 07:43 UTC

🚨 Next.js Vulnerability: CVE-2026-44578

→ affects self-hosted Next.js apps using the built-in Node.js server
→ impacts versions 13.4.13–15.5.15 and 16.0.0–16.2.4
→ attackers may expose internal services and cloud metadata endpoints through SSRF
→ around 79,000 exposed instances are reportedly vulnerable

Details: https://www.tenable.com/cve/CVE-2026-44578

Tenable CVE-2026-44578 Next.js is a React framework for building full-stack web applications. From 13.4.13 to before 15.5.16 and 16.2.5, self-hosted applications using the built-in Node.js server can be vulnerable to server-side request forgery through crafted WebSocket upgrade…

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