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Fix React Server Components CVE vulnerabilities - #1

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vercel/react-server-components-cve-vu-0cbu9q
Feb 23, 2026
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CosmoBean merged 1 commit into
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vercel/react-server-components-cve-vu-0cbu9q

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@vercel

@vercel vercel Bot commented Feb 23, 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 portfolio-v0. 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 Feb 23, 2026 •

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Project Deployment Actions Updated (UTC)
portfolio-v0 Ready Ready Preview, Comment Feb 23, 2026 5:43pm

@CosmoBean
CosmoBean marked this pull request as ready for review February 23, 2026 17:44
@CosmoBean
CosmoBean merged commit 239ef31 into main Feb 23, 2026
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