如果你在用 React 19 / Next.js 15 / 16， 这篇就当是一个温柔但坚决的催命信： Vercel 已经出手，在它的全球 Web Application Firewall（WAF）上， 加了一层拦截规则，免费帮所有托管在上面的项目挡一波。

Critical RSC flaws in React and Next.js enable unauthenticated remote code execution; users should update to patched versions ...

Plane 1.2.0 rebuilt its frontend stack, migrating from Next.js to React Router and Vite, and fixed critical security ...

在一个瞬息万变的技术世界中，安全性无疑是开发者最为关心的话题之一。最近，Java界的明星框架React就因一个关键的安全漏洞而引发了广泛关注。12月4日，React官方发布了紧急公告，警告用户关于React Server Components中的一个高危漏洞：未经身份验证的远程代码执行（RCE）漏洞。

A maximum severity vulnerability, dubbed 'React2Shell', in the React Server Components (RSC) 'Flight' protocol allows remote code execution without authentication in React and Next.js applications.

React2Shell (CVE-2025-55182) is a critical vulnerability affecting the most widely used React-based services across the web ...

Critical React vulnerability tracked as CVE-2025-55182 and React2Shell can be exploited for unauthenticated remote code ...

Critical vulnerability in React library should be treated by IT as they did Log4j - as an emergency, warns one expert.