Malicious Code Detected in harmlesspackage: A Critical Security Alert

harmlesspackage Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-22218: Malicious code in harmlesspackage (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The npm package 'harmlesspackage' is designed to provide utility functions for developers. However, it has been identified as containing malicious code, which poses a significant security risk to applications that incorporate it. This vulnerability can lead to unauthorized access, data breaches, or other malicious activities.

Vulnerability Detail

The vulnerability in 'harmlesspackage' originates from the inclusion of malicious code within the package. This code can execute harmful actions without the user's consent, potentially compromising sensitive data and system integrity. The issue is particularly concerning as it affects all versions starting from 0, making any application using this package vulnerable to exploitation.

How To Fix

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

npm uninstall harmlesspackage

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 measure, consider replacing 'harmlesspackage' with a trusted alternative that provides similar functionality without the associated risks. Review your project's dependencies and ensure that no other packages are indirectly relying on 'harmlesspackage'.

Conclusion

The discovery of malicious code in 'harmlesspackage' highlights the importance of regularly auditing dependencies in software projects. Developers should take immediate action to remove this package and monitor their applications for potential vulnerabilities.

See every vulnerability recorded for harmlesspackage →

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FAQ

'harmlesspackage' is an npm package that was intended to provide utility functions but has been found to contain malicious code.

You can use tools like Vulert, which monitors and alerts for open-source vulnerabilities in your software. Check your package-lock.json file to see if 'harmlesspackage' is included.

Immediately remove 'harmlesspackage' from your project and replace it with a secure alternative. Ensure to audit your code for any potential impacts.

Currently, there is no patched version available. It is recommended to remove the package entirely until a secure version is released.

Vulert provides real-time monitoring for open-source vulnerabilities using your package-lock.json file. You can check if your application is affected by visiting the Vulert playground.

Related vulnerabilities

Recent vulnerabilities recorded for harmlesspackage.

How To Fix

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

npm uninstall harmlesspackage

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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