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@vercel vercel bot commented Dec 20, 2025

Important

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 next-js-bundle-analyzer. The vulnerability enables unauthenticated RCE on the server via insecure deserialization in the React Flight protocol.

This issue is tracked under:

This automated pull request upgrades the affected React and Next.js packages to patched versions that fully remediate the issue.

More Info | [email protected]


Summary by cubic

Fixes a critical RCE in React Server Components by upgrading Next.js and related RSC packages to patched releases. Pins apps, benches, and examples to secure versions to block the React Flight deserialization exploit.

  • Dependencies
    • Next.js upgraded and pinned repo-wide (mostly 15.5.8; docs 15.5.9; bundle-analyzer 16.0.10; some examples 15.0.7; with-apollo/with-clerk 14.2.35).
    • Replaced "latest/canary/workspace:*" ranges with explicit patched versions.
    • Addresses GHSA-9qr9-h5gf-34mp, CVE-2025-55182, and CVE-2025-66478.

Written for commit 8526f5f. Summary will update automatically on new commits.

Updated dependencies to fix Next.js and React 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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vercel bot commented Dec 20, 2025

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Project Deployment Review Updated (UTC)
next-js-bundle-analyzer Ready Ready Preview, Comment Dec 20, 2025 6:39am

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No issues found across 255 files

Note: This PR contains a large number of files. cubic only reviews up to 75 files per PR, so some files may not have been reviewed.

@JaclynCodes JaclynCodes merged commit 16b6c7c into canary Dec 20, 2025
24 of 37 checks passed
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JaclynCodes commented Dec 21, 2025

No issues found across 255 files

Note: This PR contains a large number of files. cubic only reviews up to 75 files per PR, so some files may not have been reviewed.

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