Critical Malicious Code Vulnerability in hyperion-react-native-testapp Package

Summary

28/07/2025
CRITICAL
No i
Critical
Not published

MAL-2025-6727: Malicious code in hyperion-react-native-testapp (npm). Affects hyperion-react-native-testapp versions >= 10.0.0. No fix is published. How to fix ↓

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Background

The hyperion-react-native-testapp package is a tool designed for testing and debugging React Native applications. It provides developers with a suite of features to enhance their development workflow. However, this package has been identified to communicate with a domain associated with malicious activity, posing a significant security risk to applications that utilize it.

Vulnerability Detail

The vulnerability arises from the package's communication with a domain linked to malicious activities. This could potentially lead to data breaches, unauthorized access, or the execution of harmful code within applications that depend on this package. The issue was introduced in version 10.0.0, making all subsequent versions vulnerable until addressed.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall hyperion-react-native-testapp

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As a temporary workaround, consider removing the hyperion-react-native-testapp package from your project until a secure version is released. You can do this by executing: npm uninstall hyperion-react-native-testapp.

Conclusion

The hyperion-react-native-testapp package has a critical vulnerability due to its communication with a malicious domain. It is crucial for developers to take immediate action by updating or removing the package to safeguard their applications. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities effectively.

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FAQ

The vulnerability involves the package communicating with a domain associated with malicious activities, which can compromise application security.

You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities in real-time. By analyzing your package-lock.json file, Vulert can identify if your application is impacted.

If an immediate update is not possible, consider removing the package as a temporary measure to mitigate risk until a secure version is available.

Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.

Failing to address this vulnerability could lead to data breaches, unauthorized access to sensitive information, and the execution of malicious code within your application.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall hyperion-react-native-testapp

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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