Fixing CVE-2025-66478 in Next.js: Universal Guide
Dec 10, 2025 · 1 min read · A universal fix for CVE-2025-66478 involves upgrading to patched Next.js versions or downgrading from affected canaries, followed by secret rotation. Vulnerability Overview CVE-2025-66478 is a critical RCE flaw in React Server Components (RSC) protoc...
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