Next.js Patches Critical AVIF and Windows Flaws Enabling… | HappeningNow.news

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Next.js Patches Critical AVIF and Windows Flaws Enabling Unauthenticated RCE

Vercel has released security patches for two critical-severity vulnerabilities in the Next.js web framework, both of which allow unauthenticated remote code execution, one exploitable via specially crafted AVIF image files and the other…

Source AI Summary Published August 27, 2026 Brief Under 1 min brief
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Vercel has issued patches for two critical‑severity vulnerabilities in the Next.js framework that permit unauthenticated remote code execution. One flaw can be triggered by specially crafted AVIF image files, while the other exploits a path‑traversal issue on servers using a Windows filesystem.

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