Malicious Code Detected in cbfour Package - Security Alert
Summary
MAL-2025-16676: Malicious code in cbfour (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The cbfour package is an npm library designed for specific functionalities within JavaScript applications. It is commonly used for various tasks, but recent findings have revealed that it contains malicious code, posing a significant security risk to applications that utilize it. Users of cbfour should be aware of its potential vulnerabilities and take necessary precautions.
Vulnerability Detail
The vulnerability in the cbfour package originates from the inclusion of malicious code that can compromise the security of applications using this package. This malicious code can lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The vulnerability is classified under the identifier MAL-2025-16676, and it affects all versions starting from 0.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall cbfourIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, if you cannot update the package immediately, consider removing the cbfour package from your project until a secure version is available. You can do this by executing: npm uninstall cbfour.
Conclusion
The cbfour package has been identified as containing malicious code, which poses a serious security risk to applications that utilize it. Users are strongly advised to update to a secure version or remove the package until a fix is available. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.
See every vulnerability recorded for cbfour →
FAQ
cbfour is an npm package used in JavaScript applications for various functionalities, but it has been found to contain malicious code.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Check your application against the vulnerability using the Vulert playground at Vulert Scanner.
If you cannot update cbfour immediately, consider uninstalling it from your project until a secure version is released.
Using the compromised cbfour package can lead to unauthorized access to your application, potential data breaches, and other security threats.
You can use tools like Vulert to monitor your package-lock.json file for real-time alerts on open-source vulnerabilities.
