Critical Malicious Code Vulnerability in react-native-modest-storage Package

react-native-modest-storage Updated 25 Nov 2025

Summary

24/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-191002: Malicious code in react-native-modest-storage (npm). Affects react-native-modest-storage versions 2.1.1. No fix is published. How to fix ↓

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Background

The react-native-modest-storage package is a lightweight storage solution for React Native applications, designed to provide a simple API for storing data locally. It is widely used in mobile applications for persisting user data and settings. However, this package has been found to contain malicious code, posing significant security risks to any application that utilizes it.

Vulnerability Detail

The vulnerability originates from the inclusion of malicious code within the react-native-modest-storage package. This code can compromise the security of any system where the package is installed, allowing unauthorized access to sensitive information such as secrets and keys. The implications of this vulnerability are severe, as it could lead to full control of the affected computer by an external entity, making it critical for users to take immediate action.

How To Fix

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

npm uninstall react-native-modest-storage

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

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Workaround

As a workaround, you can temporarily switch to alternative storage solutions for React Native applications until a secure version of react-native-modest-storage is released. Consider using packages like AsyncStorage or SecureStore for local data storage.

Conclusion

The discovery of malicious code in the react-native-modest-storage package poses a significant threat to users and applications relying on it. Immediate removal of the package and rotation of sensitive information is crucial to mitigate potential risks. Users are encouraged to explore alternative storage solutions until a secure version is available.

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FAQ

You should immediately remove the package from your project and rotate any secrets or keys stored on the affected system.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without requiring access to the code.

Currently, there is no patched version available. The package should be removed to mitigate risks.

Failing to address this vulnerability can lead to unauthorized access to sensitive data and potential control over your system by malicious actors.

No, it is highly recommended to remove the package as it contains malicious code that compromises system security.

How To Fix

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

npm uninstall react-native-modest-storage

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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