Malicious Code Detected in fishutils Package - Security Alert
Summary
MAL-2025-20615: Malicious code in fishutils (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The fishutils package is an npm library designed to provide utility functions for fish shell scripting. It is widely used in various projects for its ease of use and functionality. However, recent findings have revealed that this package contains malicious code, posing significant security risks to applications that depend on it.
Vulnerability Detail
The vulnerability in the fishutils package stems from the inclusion of malicious code that can compromise the security of applications using this package. This code may lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The malicious code was introduced in version 0 and affects all subsequent versions, 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 fishutilsIf 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 fishutils package from your project until a secure version is available. You can do this by running: npm uninstall fishutils.
Conclusion
The discovery of malicious code in the fishutils package poses a serious threat to applications that utilize it. Users are strongly advised to update the package immediately or remove it from their projects until a secure version is available. Utilizing tools like Vulert can help in monitoring and managing such vulnerabilities effectively.
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FAQ
Fishutils is an npm package that provides utility functions for fish shell scripting, making it easier for developers to work with fish shell.
The malicious code can potentially allow unauthorized access and control over systems that utilize the fishutils package.
You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.
Yes, you can temporarily uninstall the fishutils package or replace it with an alternative library until a secure version is released.
Regularly check for updates in your dependencies and consider using tools like Vulert to monitor your projects for vulnerabilities.
