Netlify’s response to the critical React security vulnerability

Critical Security Vulnerability in React Server Components – React

The library for web and native user interfaces

Critical Security Vulnerability in React Server Components

Discuss @tom.sherman.is's post on Frontpage.

Developing with ReactJS: An Interview with Gatsby's Kyle Mathews | Netlify

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Railway on Twitter / X

A critical RCE vulnerability was discovered in React Server Components. Railway has collaborated with Meta/Vercel teams & deployed a platform-level patch that blocks malicious requests matching this exploit pattern at our Web Application Firewall.Your service is protected while… https://t.co/8a5WWYshzN— Railway (@Railway) December 3, 2025

High Fidelity Detection Mechanism for RSC/Next.js RCE (CVE-2025-55182 & CVE-2025-66478) › Searchlight Cyber

This morning, an advisory was released for Next.js about a vulnerability that leads to RCE in default configurations, with no prerequisites. The root cause of this issue lies in React Server Components, which Next.js utilizes. Over the last day, we have noticed an incredible amount of incorrect PoCs floating around on GitHub that do not

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Netlify, a service for quickly rolling out static websites, raises $2.1M | TechCrunch

Mathias Biilmann — a former CTO of a firm that built websites for small businesses — says developers have gotten so used to using Github as a central

Interview with Parker Moore from Jekyll | Netlify

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GitHub - openai/codex-security at 150d6f6bba5a00d9e3fcccf053fc25b68cee5a57

OpenAI's Codex Security CLI and TypeScript SDK for finding, validating, and fixing security vulnerabilities. npm: https://www.npmjs.com/package/@openai/codex-security - openai/codex-security

Patch FlightReplyServer with fixes from ReactFlightClient by sebmarkbage · Pull Request #35277 · facebook/react

FlightReplyServer are for client->server and ReactFlightClient is for server->client. They're not 100% symmetrical. We did a number of refactors to ReactFlightClient in PRs li...

GitHub RCE Vulnerability: CVE-2026-3854 Breakdown | Wiz Blog

A CVSS 8.7 vulnerability in GitHub Enterprise Server allows remote code execution. Read the threat brief and find vulnerable GHES instances from Wiz.

Cloudflare WAF proactively protects against React vulnerability

Cloudflare offers protection against a new high profile vulnerability for React Server Components: CVE-2025-55182. All WAF customers are automatically protected as long as the WAF is deployed.

GitHub - fatguru/CVE-2025-55182-scanner: A non-intrusive surface scanner for CVE-2025-55182 (React Server Components RCE). Detects exposed RSC endpoints in React 19 and Next.js applications

A non-intrusive surface scanner for CVE-2025-55182 (React Server Components RCE). Detects exposed RSC endpoints in React 19 and Next.js applications - fatguru/CVE-2025-55182-scanner

The Best React-Based Framework | Gatsby

Gatsby is a React-based open source framework with performance, scalability and security built-in. Collaborate, build and deploy 1000x faster on Netlify.