UIライブラリ「React」（React.js）および「Next.js」で、認証なしにリモートコード実行が可能になる重大なセキュリティ脆弱性「CVE-2025-55182」が存在することが明らかになった。この脆弱性は「React2Shell」とも呼ばれており、CVSSの基本値は満点の「10.0」。

Facepalm: A widely used web technology is affected by a serious security vulnerability that can be exploited with minimal effort to compromise servers. Known as "React2Shell," the flaw may require ...

A critical remote code execution vulnerability in React.js has been identified. React.js is a JavaScript library for building fast, interactive user interfaces (UIs) using reusable components. The ...

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.

Critical vulnerability in React library should be treated by IT as they did Log4j - as an emergency, warns one expert. Developers using the React 19 library for building application interfaces are ...