https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-06T08:04:38.453690+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/euvd-2026-263073 EUVD-2026-263073 2026-10-06T08:04:38.500762+00:00 EUVD-2026-263073 https://cve.radiocsirt.org/vuln/fkie_cve-2025-67489 fkie_cve-2025-67489 2026-10-06T08:04:38.500799+00:00

@vitejs/plugin-rs provides React Server Components (RSC) support for Vite. Versions 0.5.5 and below are vulnerable to arbitrary remote code execution on the development server through unsafe dynamic imports in server function APIs (loadServerAction, decodeReply, decodeAction) when integrated into RSC applications that expose server function endpoints. Attackers with network access to the development server can read/modify files, exfiltrate sensitive data (source code, environment variables, credentials), or pivot to other internal services. While this affects development servers only, the risk increases when using vite --host to expose the server on all network interfaces. This issue is fixed in version 0.5.6.

 https://cve.radiocsirt.org/vuln/ghsa-j76j-5p5g-9wfr GHSA-j76j-5p5g-9wfr — @vitejs/plugin-rsc Remote Code Execution through unsafe dynamic imports in RSC server function APIs on development serv… 2026-10-06T08:04:38.500836+00:00

Affected: npm: @vitejs/plugin-rsc

## Summary

Arbitrary Remote Code Execution on development server via unsafe dynamic imports in `@vitejs/plugin-rsc` server function APIs (`loadServerAction`, `decodeReply`, `decodeAction`) when integrated into RSC applications that expose server function endpoints.

## Impact

Attackers with network access to the development server can execute arbitrary JavaScript code with Node.js privileges, allowing them to read/modify files, exfiltrate sensitive data (source code, environment variables, credentials), or pivot to other internal services. While this affects development servers only, the risk increases when using `vite --host` to expose the server on all network interfaces.

## Details

In the example RSC application provided in Proof of Concept, the server handles server function call through API such as `loadServerAction`, `decodeReply`, `decodeAction` with http request's header and body as inputs:

https://github.com/vitejs/vite-plugin-react/blob/c8af971f57f12d0190d7fd8829a429f5e4112f60/packages/plugin-rsc/examples/starter/src/framework/entry.rsc.tsx#L42-L47

During development, these API internally relies on dynamic import to load server function module, which allows executing arbitrary module including data url module.

https://github.com/vitejs/vite-plugin-react/blob/c8af971f57f12d0190d7fd8829a429f5e4112f60/packages/plugin-rsc/src/rsc.tsx#L19-L24

## Proof of Concept

The example app is avialable in - https://github.com/vitejs/vite-plugin-react/tree/main/packages/pl…