Malicious Code Detected in colne Package - Security Alert

colne Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-17284: Malicious code in colne (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The colne package is an npm module designed for specific functionalities within JavaScript applications. It is utilized by developers for its ease of integration and performance. However, recent findings have revealed that this package contains malicious code, posing significant security risks to applications that rely on it.

Vulnerability Detail

The vulnerability in the colne package originates from the inclusion of malicious code that can compromise the integrity of applications using it. This code may lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The malicious nature of this vulnerability makes it critical for developers to address it promptly to safeguard their applications.

How To Fix

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

npm uninstall colne

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 colne package from your project until a secure version is released. You can do this by executing the command: 'npm uninstall colne'. This will help mitigate the risk while you await a fix.

Conclusion

The discovery of malicious code in the colne package highlights the importance of vigilance in managing dependencies within software projects. Developers should take immediate action to mitigate risks by updating or removing the affected package. Utilizing tools like Vulert can further enhance security by providing real-time alerts for vulnerabilities.

See every vulnerability recorded for colne →

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FAQ

The colne package is an npm module used in JavaScript applications for various functionalities, but it has been found to contain malicious code.

You can use Vulert to monitor and alert for vulnerabilities in your application. Simply upload your package-lock.json file to the Vulert playground at Vulert Scanner.

If you have installed colne, it is crucial to uninstall it immediately and check for any updates or patches before considering reinstallation.

Currently, there is no specific patch mentioned. It is advisable to monitor the package repository for any updates that may address this vulnerability.

Vulert uses your package-lock.json file to monitor and alert you in real-time for open-source vulnerabilities, ensuring your software remains secure.

Related vulnerabilities

Recent vulnerabilities recorded for colne.

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How To Fix

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

npm uninstall colne

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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