Malicious Code Detected in @zapier/stubtree Package - Security Risk Alert
Summary
MAL-2025-190920: Malicious code in @zapier/stubtree (npm). Affects @zapier/stubtree versions 0.1.3. No fix is published. How to fix ↓
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Background
The @zapier/stubtree package is a utility library used in Node.js applications for creating stub trees in testing environments. It is designed to facilitate the development and testing of applications by providing a simple way to mock dependencies. 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 originates from the inclusion of malicious code within the @zapier/stubtree package, specifically in version 0.1.3. This code can potentially compromise the security of applications using the package, leading to unauthorized access, data breaches, or other malicious activities. The malicious code was identified by Amazon Inspector, highlighting the importance of monitoring dependencies for security threats.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @zapier/stubtreeIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can remove the @zapier/stubtree package from your project to mitigate the risk until a secure version is available. You can do this by executing the following command: npm uninstall @zapier/stubtree.
Conclusion
The discovery of malicious code in the @zapier/stubtree package underscores the importance of regularly monitoring and updating dependencies in software projects. By following the recommended steps to fix the vulnerability and utilizing tools like Vulert for ongoing monitoring, developers can better protect their applications from potential threats.
See every vulnerability recorded for @zapier/stubtree →
FAQ
The @zapier/stubtree package is used in Node.js applications to create stub trees for testing purposes, allowing developers to mock dependencies easily.
The malicious code was detected by Amazon Inspector, a security tool that scans for vulnerabilities in open-source packages.
Using the compromised version can lead to unauthorized access to your application, data breaches, and other security threats.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file. You can check your application for vulnerabilities using the Vulert playground without any signup.
If you cannot update the package immediately, it is advisable to remove it from your project as a temporary measure to reduce security risks.
