cisco-sa-react-flight-TYw32Ddb: Remote Code Execution Vulnerability in React and Next.js Frameworks: December 2025

Published Dec 4, 2025

Updated

On December 3, 2025, the React team released a security advisory regarding a vulnerability, CVE-2025-55182, in the React server that could allow an unauthenticated, remote attacker to perform remote code execution on an affected device or system.For a description of this vulnerability,

Affected Software

2 affected components

npm/react

npm/next

Event History

Dec 4, 2025

Advisory Published

via Cisco·04:00 PM

Data Sourced

via Cisco·04:00 PM

DescriptionSeverityWeakness

Child vulnerabilities

Contains the following vulnerabilities.

CVE-2025-55182

Frequently Asked Questions

What is the severity of cisco-sa-react-flight-TYw32Ddb?

The severity of cisco-sa-react-flight-TYw32Ddb is considered critical due to its potential for remote code execution.

How do I fix cisco-sa-react-flight-TYw32Ddb?

To fix cisco-sa-react-flight-TYw32Ddb, update Meta React and Vercel Next.js to their latest versions as recommended by the vendor.

What does cisco-sa-react-flight-TYw32Ddb affect?

cisco-sa-react-flight-TYw32Ddb affects Meta React and Vercel Next.js, which are commonly used frameworks.

Who is affected by cisco-sa-react-flight-TYw32Ddb?

Organizations using vulnerable versions of Meta React and Vercel Next.js for their applications may be impacted by cisco-sa-react-flight-TYw32Ddb.

What is CVE-2025-55182 related to cisco-sa-react-flight-TYw32Ddb?

CVE-2025-55182 is the specific identifier for the vulnerability described in cisco-sa-react-flight-TYw32Ddb, highlighting the risk of remote code execution.