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Fix React Server Components CVE vulnerabilities - #2

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@vercel vercel Bot commented Jan 8, 2026

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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 v0-tempus-total-v2. 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 | security@vercel.com

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>
@vercel

vercel Bot commented Jan 8, 2026

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Project Deployment Review Updated (UTC)
v0-tempus-total-v2 Ready Ready Preview, Comment Jan 8, 2026 1:33am

@MylesMCook
MylesMCook marked this pull request as ready for review January 8, 2026 01:35
Copilot AI review requested due to automatic review settings January 8, 2026 01:35

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Pull request overview

This PR addresses critical security vulnerabilities in React Server Components by upgrading Next.js from version 15.2.4 to 15.2.8. The vulnerabilities (CVE-2025-55182 and CVE-2025-66478) enable unauthenticated remote code execution through insecure deserialization in the React Flight protocol.

Key changes:

  • Next.js upgraded to patched version 15.2.8
  • Transitive dependency updates for various framework packages due to "latest" version specifiers
  • Lock file updates reflecting the complete dependency resolution

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File Description
package.json Updates Next.js version from 15.2.4 to 15.2.8
pnpm-lock.yaml Updates resolved versions for Next.js, its platform-specific binaries, and transitive dependencies including Remix, SvelteKit, Vue, and Vercel packages
Files not reviewed (1)
  • pnpm-lock.yaml: Language not supported

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