HIGH7.5

GHSA-w94c-4vhp-22gx

@vitejs/plugin-rsc has a Denial of Service Vulnerability in React Server Components

Quick fix

GHSA-w94c-4vhp-22gx — @vitejs/plugin-rsc: upgrade to the fixed version with the command below.

npm install @vitejs/plugin-rsc@0.5.26

Details

### Impact

`@vitejs/plugin-rsc` vendors `react-server-dom-webpack`, which contained a vulnerability in versions prior to 19.2.6. See details in React repository's advisory https://github.com/facebook/react/security/advisories/GHSA-rv78-f8rc-xrxh

### Patches

Upgrade immediately to `@vitejs/plugin-rsc@0.5.26` or later.

Are you affected?

Enter the version of the package you're using.

Affected packages

npm/@vitejs/plugin-rsc

Introduced in: 0Fixed in: 0.5.26

Fixnpm install @vitejs/plugin-rsc@0.5.26

References

https://github.com/vercel/next.js/security/advisories/GHSA-8h8q-6873-q5fj[WEB]
https://github.com/vitejs/vite-plugin-react/security/advisories/GHSA-w94c-4vhp-22gx[WEB]
https://nvd.nist.gov/vuln/detail/CVE-2026-23870[ADVISORY]
https://github.com/vitejs/vite-plugin-react[PACKAGE]