Fix React Server Components RCE vulnerability#21
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prudentbird merged 1 commit intodevfrom Dec 10, 2025
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Updated dependencies to fix Next.js CVE vulnerabilities. The fix-react2shell-next tool automatically updated the following packages to their secure versions: - next - react-server-dom-webpack - react-server-dom-parcel - react-server-dom-turbopack All package.json files have been scanned and vulnerable versions have been patched to the correct fixed versions based on the official React advisory. Co-authored-by: Vercel <vercel[bot]@users.noreply.github.com>
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This is an automatic PR generated by Vercel to help you with patching efforts. We can't guarantee it's comprehensive, and it may contain mistakes. Please review our guidance before merging these changes.
A critical remote code execution (RCE) vulnerability in React Server Components, impacting frameworks such as Next.js, was identified in the project fuseion. The vulnerability enables unauthenticated RCE on the server via insecure deserialization in the React Flight protocol.
This issue is tracked under:
GitHub Security Advisory: GHSA-9qr9-h5gf-34mp
React Advisory: CVE-2025-55182
Next.js Advisory: CVE-2025-66478
This automated pull request upgrades the affected React and Next.js packages to patched versions that fully remediate the issue.
More Info | security@vercel.com
Summary by cubic
Updates Next.js to 15.6.0-canary.58 to patch the React Server Components (React Flight) RCE vulnerability. Addresses GHSA-9qr9-h5gf-34mp / CVE-2025-55182 / CVE-2025-66478.
Written for commit 0dc7d81. Summary will update automatically on new commits.