Malicious Code Detected in buildem Package - MAL-2025-16326
Summary
MAL-2025-16326: Malicious code in buildem (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The buildem package is an npm module designed for building and managing web applications. It offers features such as bundling, minification, and optimization of assets. However, it has been identified to contain malicious code that poses significant security risks to users and their applications.
Vulnerability Detail
The vulnerability in the buildem package stems from the inclusion of malicious code that can compromise the integrity of applications using this package. This code can lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The issue was introduced in version 0 and affects all subsequent versions, making it critical for users to address this vulnerability promptly.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall buildemIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, users are advised to remove the buildem package from their projects until a secure version is released. You can do this by executing the following command: npm uninstall buildem.
Conclusion
The discovery of malicious code in the buildem package highlights the importance of regularly monitoring and updating open-source dependencies. Users are urged to take immediate action to secure their applications by updating or removing the affected package.
See every vulnerability recorded for buildem →
FAQ
The malicious code can potentially allow unauthorized access to your application, leading to data breaches or other security incidents.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities. You can check your application using the Vulert playground at Vulert Scanner without any signup.
If an immediate update is not possible, consider removing the package from your project as a temporary measure to mitigate risks.
While specific exploits have not been publicly disclosed, the presence of malicious code indicates a high risk of exploitation.
You can find more information about the buildem package on its npm page or the GitHub repository where it is maintained.
