Malicious Code Injection in additional_sloth-appteadev Package
Summary
MAL-2025-99128: Malicious code in additional_sloth-appteadev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The additional_sloth-appteadev package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. However, it has been found to contain malicious scripts that compromise its integrity.
Vulnerability Detail
The vulnerability originates from the package's malicious code, which modifies the package.json file to remove private flags and alters version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior can lead to a compromised development environment, increased security risks, and potential exploitation by malicious actors.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall additional_sloth-appteadevIf 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 avoid using the additional_sloth-appteadev package until a fix is released. Additionally, you can use the following command to uninstall it: npm uninstall additional_sloth-appteadev.
Conclusion
The additional_sloth-appteadev package contains malicious code that poses significant security risks to projects using it. It is crucial to update or remove the package to protect your development environment and maintain the integrity of your applications.
See every vulnerability recorded for additional_sloth-appteadev →
FAQ
It is an npm package associated with the tea.xyz token reward campaign that automates the generation and publication of derivative packages.
The malicious code modifies your package.json file, removes private flags, and can lead to the pollution of the npm registry, increasing security risks.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without any signup.
If no patched version is available, consider removing the package from your project to mitigate the risk.
Regularly monitor your dependencies using tools like Vulert and keep your packages updated to minimize security risks.
