Fix React Server Components RCE vulnerability - #8
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# React Flight / Next.js RCE Advisory Patch Report ## Summary Successfully addressed the React Flight / Next.js RCE advisory by upgrading Next.js packages to patched versions. ## Vulnerability Assessment This project **was affected** by the React Flight / Next.js RCE advisory: ### Affected Packages - `apps/landing` - Next.js 15.5.0 (vulnerable) - `apps/web` - Next.js 15.5.0 (vulnerable) - `apps/docs` - Next.js 15.5.0 (vulnerable) ### Other Findings - No React Flight packages (`react-server-dom-webpack`, `react-server-dom-parcel`, `react-server-dom-turbopack`) are used - React versions (19.1.0, 19.1.1) are not directly vulnerable, but Next.js upgrades handle the necessary updates ## Changes Made ### 1. Next.js Upgrades Applied the patched version for Next.js 15.5.x → **15.5.7** to all affected packages: **Modified files:** - `apps/landing/package.json`: next 15.5.0 → 15.5.7 - `apps/web/package.json`: next 15.5.0 → 15.5.7 - `apps/docs/package.json`: next 15.5.0 → 15.5.7 ### 2. Lockfile Updates - `pnpm-lock.yaml`: Updated to reflect the new Next.js versions and their dependencies - All references to `next@15.5.0` updated to `next@15.5.7` - Transitive dependencies properly resolved by pnpm ## Verification - ✓ All package.json files contain next 15.5.7 - ✓ pnpm-lock.yaml reflects the patched versions - ✓ No additional React Flight packages introduced - ✓ React versions remain compatible with Next.js 15.5.7 ## Upgrade Rationale According to the advisory guidance for Next.js 15.5.x releases: - 15.5.0 → **15.5.7** (patched version for 15.5.x minor release) This upgrade addresses the RCE vulnerability while maintaining compatibility with the existing codebase, as Next.js 15.5.7 will provide the necessary security patches and proper React version constraints. ## Notes - No manual React or React DOM version changes were needed - Next.js 15.5.7 supplies the correct patched versions - All other workspace packages remain unchanged (no Next.js dependency) - The monorepo structure with pnpm workspaces is fully supported 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 rayai-landing. 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