Malicious Code Detected in foamtree Package - Security Alert

foamtree Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-20732: Malicious code in foamtree (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The foamtree package is a JavaScript library used in web development for creating interactive tree diagrams. It is designed to help visualize hierarchical data structures effectively. However, recent findings have revealed that this package contains malicious code, posing a significant security risk to applications that utilize it.

Vulnerability Detail

The vulnerability stems from the inclusion of malicious code within the foamtree package. This code can potentially compromise the security of applications that depend on it, leading to unauthorized access, data breaches, or other malicious activities. The issue 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 foamtree

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 foamtree package from your project until a secure version is released. You can do this by running: npm uninstall foamtree. Alternatively, explore other libraries that provide similar functionality without the associated risks.

Conclusion

The discovery of malicious code in the foamtree package poses a serious threat to applications that utilize it. Users are urged to take immediate action by updating or removing the package to safeguard their applications. Regular monitoring for updates and utilizing tools like Vulert can help maintain security.

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FAQ

Foamtree is a JavaScript library used for creating interactive tree diagrams to visualize hierarchical data.

The malicious code can lead to unauthorized access and potential data breaches in applications using the foamtree package.

You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Check your application against the vulnerability using the Vulert playground at Vulert Scanner.

Currently, there is no patched version available. Users should monitor the package repository for updates.

If removal is not an option, consider implementing additional security measures and monitoring your application closely until a secure version is released.

How To Fix

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

npm uninstall foamtree

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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