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Fix React Server Components CVE vulnerabilities#43

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stockeh merged 1 commit into
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vercel/react-server-components-cve-vu-y7is9q
Mar 1, 2026
Merged

Fix React Server Components CVE vulnerabilities#43
stockeh merged 1 commit into
mainfrom
vercel/react-server-components-cve-vu-y7is9q

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@vercel vercel Bot commented Mar 1, 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 harnesslabs. 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 Mar 1, 2026

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Project Deployment Actions Updated (UTC)
harnesslabs Ready Ready Preview, Comment Mar 1, 2026 8:09pm

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@stockeh
stockeh marked this pull request as ready for review March 1, 2026 20:11
@stockeh
stockeh merged commit 06be80f into main Mar 1, 2026
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