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[return to "Critical RCE Vulnerabilities in React and Next.js"]
1. mmsc+p6[view] [source] 2025-12-03 16:30:37
>>gonepi+(OP)
These wiz.io blog posts should be banned from HN; AFAICT, they're AI generated. Here's the original post with the details: https://react.dev/blog/2025/12/03/critical-security-vulnerab... - the vulnerability was not found by a Wiz employee at all, and the Wiz article (unlike the react.dev article) does not provide any meaningful technical information.

The important part to know:

- Even if your app does not implement any React Server Function endpoints it may still be vulnerable if your app supports React Server Components.

- The vulnerability is present in versions 19.0, 19.1.0, 19.1.1, and 19.2.0 of: react-server-dom-webpack, react-server-dom-parcel, react-server-dom-turbopack

- Some React frameworks and bundlers depended on, had peer dependencies for, or included the vulnerable React packages. The following React frameworks & bundlers are affected: next, react-router, waku, @parcel/rsc, @vitejs/plugin-rsc, and rwsdk.

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2. mvdtnz+wi[view] [source] 2025-12-03 17:22:36
>>mmsc+p6
I can't even read the Wiz post, it just plays an unrelated full screen video at me after flickering a couple of times.
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