Malicious Code Detected in Birdtree Package - Security Alert

birdtree Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-15731: Malicious code in birdtree (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The Birdtree package is an npm library designed for developers to facilitate tree data structures and operations. It provides functionalities that allow users to create, manipulate, and traverse trees efficiently. However, recent findings have revealed that this package contains malicious code, posing significant security risks to applications that utilize it.

Vulnerability Detail

The vulnerability in the Birdtree package originates from the inclusion of malicious code that can compromise the security of applications using this library. This code can lead to unauthorized access, data breaches, or other malicious activities. The issue is particularly concerning as it affects all versions starting from 0, making it critical for developers to address this vulnerability immediately.

How To Fix

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

npm uninstall birdtree

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 Birdtree package from your project until a secure version is released. You can uninstall it using the command: 'npm uninstall birdtree'. Additionally, evaluate alternative packages that offer similar functionalities without the associated risks.

Conclusion

The discovery of malicious code in the Birdtree package poses a significant threat to applications that utilize it. Developers are urged to take immediate action by updating or removing the package to safeguard their projects. Regular monitoring for updates and utilizing tools like Vulert can help maintain security in open-source dependencies.

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FAQ

Birdtree is an npm library that helps developers manage tree data structures and perform related operations.

The malicious code can lead to unauthorized access and potential data breaches in applications that utilize the Birdtree package.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.

As of now, there is no patched version available. It is crucial to monitor the package repository for updates.

If immediate removal is not possible, consider implementing additional security measures in your application to mitigate potential risks until the vulnerability is addressed.

How To Fix

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

npm uninstall birdtree

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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