React & Next.js Users: Patch Now or Risk Remote Code Chaos!

AWS is aware of CVE-2025-55182 affecting React Server Flight protocol. This issue may allow unauthorized remote code execution. Customers using managed AWS services are not affected, but those running React or Next.js should update immediately. Meanwhile, AWS suggests deploying a custom AWS WAF rule to keep attackers at bay.

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Published: December 4, 2025 4:30 amAdded: December 3, 2025 at 8:56 pmAssembled by: The Editor
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Hot Take:

Looks like someone at AWS is playing a game of “React and Next.js: Who’s the Buggiest?” Who knew the latest installment would include a surprise feature: unauthorized remote code execution? Time to patch up before this bug becomes the next summer blockbuster!

Key Points:

  • Critical vulnerability CVE-2025-55182 affects React Server Flight protocol in React and Next.js.
  • Remote code execution (RCE) risk for affected application servers.
  • AWS managed services are not affected; self-hosters should update React and Next.js versions.
  • AWS WAF default rules have been updated to address this issue.
  • Custom AWS WAF rules can be deployed for additional protection.

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