React
@reactjs
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The library for web and native user interfaces
Joined July 2013
We found that the fix to address the DoS vulnerability in React Server Components (CVE-2025-55184) was incomplete and does not prevent an attack in a specific case. This is disclosed as CVE-2025-67779. New patches are available now, please update immediately.
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These vulnerabilities are present in the patches published last week for React2Shell. Even though they do not allow for Remote Code Execution they are high severity and you should update (again) immediately. https://t.co/0VDQ5HXIcS
react.dev
The library for web and native user interfaces
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This pattern shows up across the industry. For example, after Log4Shell, additional CVEs were reported as the community examined the original fix. Additional disclosures can be frustrating, but they are generally a sign of a healthy response cycle.
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It’s common for critical CVEs to uncover follow‑up vulnerabilities. When a critical vulnerability is disclosed, researchers scrutinize adjacent code paths looking for variant exploit techniques to test whether the initial mitigation can be bypassed.
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We disclosed two new RSC vulnerabilities: - Denial of Service (High): CVE-2025-55184 - Source Code Exposure (Medium): CVE-2025-55183 Patches are available now, please update immediately. https://t.co/0VDQ5HYg2q
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The library for web and native user interfaces
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Researchers have found two new vulnerabilities in React Server Components while attempting to exploit the patches last week. These are new issues, separate from the critical CVE last week. The patch for React2Shell remains effective for the Remote Code Execution exploit.
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There is critical vulnerability in React Server Components disclosed as CVE-2025-55182 that impacts React 19 and frameworks that use it. A fix has been published in React versions 19.0.1, 19.1.2, and 19.2.1. We recommend upgrading immediately. https://t.co/kue7kd0XEX
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The library for web and native user interfaces
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React Conf 2025 is a wrap! Check out the recap:
react.dev
The library for web and native user interfaces
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Join the Discord to chat with fellow attendees and submit your questions for speakers to answer on the livestream:
discord.com
Discord is great for playing games and chilling with friends, or even building a worldwide community. Customize your own space to talk, play, and hang out.
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Join the Discord to chat with fellow attendees and submit your questions for speakers to answer on the livestream:
discord.com
Discord is great for playing games and chilling with friends, or even building a worldwide community. Customize your own space to talk, play, and hang out.
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We are excited to announce @infinite_red @OldMissionHQ @arcjethq @RenderATL as React Conf silver sponsors this year!
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Learn about how to build better video into websites, platforms, AI workflows, and more here:
mux.com
Mux helps teams ship high-performance and cost-effective video in minutes, not months. Build better video into anything from websites to platforms to AI workflows.
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Learn more about the React framework for Cloudflare here:
rwsdk.com
RedwoodSDK is a React Framework for Cloudflare. It begins as a Vite plugin that unlocks SSR, React Server Components, Server Functions, and realtime features. Its standards-based router, with support...
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