Malicious Code Detected in @kiwiiw/ez-lib: Version 1.0.1 Compromised

@kiwiiw/ez-lib Updated 21 Nov 2025

Summary

20/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-190584: Malicious code in @kiwiiw/ez-lib (npm). Affects @kiwiiw/ez-lib versions 1.0.1 – 1.0.4. No fix is published. How to fix ↓

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Background

The package @kiwiiw/ez-lib is a JavaScript library available on npm, designed to provide various utility functions for developers. However, version 1.0.1 has been flagged for malicious activity, specifically for communicating with a domain linked to harmful practices. This vulnerability poses a significant risk to applications relying on this library, as it can lead to data breaches or unauthorized access.

Vulnerability Detail

The vulnerability in @kiwiiw/ez-lib arises from its communication with a domain associated with malicious activities. This behavior indicates that the package may be designed to exfiltrate sensitive information or facilitate other harmful actions. The identification of this malicious code was made by the OpenSSF Package Analysis project, which flagged version 1.0.1 as compromised. Users of this package should be aware of the potential ramifications, including data theft and security breaches.

How To Fix

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

npm uninstall @kiwiiw/ez-lib

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

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Workaround

If immediate updating is not feasible, consider removing the package from your project until a secure version is available. You can do this by running: npm uninstall @kiwiiw/ez-lib. Additionally, monitor your application for any unusual activity that may indicate exploitation of this vulnerability.

Conclusion

The @kiwiiw/ez-lib package version 1.0.1 has been identified as malicious due to its communication with a harmful domain. Users are urged to update to a secure version or remove the package to protect their applications from potential threats. Utilizing tools like Vulert can enhance your ability to monitor and manage vulnerabilities effectively.

See every vulnerability recorded for @kiwiiw/ez-lib →

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FAQ

The vulnerability involves malicious code that communicates with a harmful domain, potentially leading to data breaches.

You can use Vulert, which monitors open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.

Consider removing the package from your project and monitoring for any unusual activity until a secure version is available.

Yes, it is advisable to update to the latest version of the package to mitigate the risk associated with the vulnerability.

Vulert uses the package-lock.json file to monitor and alert in real-time for open-source vulnerabilities in your software.

How To Fix

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

npm uninstall @kiwiiw/ez-lib

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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