Malicious Code Detected in wac-react Package - Version 99.99.1
Summary
MAL-2026-200: Malicious code in wac-react (npm). Affects wac-react versions 99.99.1. No fix is published. How to fix ↓
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Background
The 'wac-react' package is a JavaScript library available through npm, designed to facilitate the development of React applications. It provides various components and utilities that streamline the process of building user interfaces. However, the package has been flagged for malicious behavior, specifically in version 99.99.1, which executes commands that may compromise system security.
Vulnerability Detail
The vulnerability in the 'wac-react' package arises from the presence of malicious code that executes unauthorized commands. This behavior can lead to severe consequences, including data breaches, unauthorized access to sensitive information, and potential system compromise. The malicious nature of the package was identified by the OpenSSF Package Analysis project, which flagged it as a threat due to its ability to perform harmful actions on the host system.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall wac-reactIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can avoid using the 'wac-react' package altogether until a secure version is confirmed. If you must use it, consider isolating the environment in which it runs to minimize potential damage.
Conclusion
The 'wac-react' package version 99.99.1 has been identified as malicious, executing harmful commands that pose significant security risks. It is crucial to update to a secure version or implement workarounds to mitigate potential threats. Regular monitoring and vulnerability checks, such as those provided by Vulert, are recommended to maintain application security.
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FAQ
The 'wac-react' package is a JavaScript library for building React applications, providing various components and utilities.
The malicious behavior was identified by the OpenSSF Package Analysis project, which flagged the package for executing harmful commands.
Using the compromised version can lead to data breaches, unauthorized access, and potential system compromise.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Check your application using the Vulert playground at Vulert Scanner without any signup.
If immediate updates are not possible, consider isolating the environment where the package is used to reduce risks until a secure version is available.
