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Vercel Blocked My Deploy for a Next.js CVE. Here's the Fix I Used.
nextjs-cve-fix-2025vercel-deploy-blockednextjs-security-vulnerabilitycve-2025-66478nextjsvercelsecuritybuild-failuresreact-server-componentsnextjs-upgrade-guide
Vercel blocked my Next.js deployment for CVE-2025-66478. Here is what the error means, which versions are patched, and how to fix it.