Malicious Code Injection in easy_coyote-appteadev: A Threat to npm Ecosystem
Summary
MAL-2025-101862: Malicious code in easy_coyote-appteadev (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
easy_coyote-appteadev is an npm package that appears to be part of a token reward campaign associated with the tea.xyz protocol. This package is designed to facilitate certain functionalities within the npm ecosystem but has been compromised to include malicious scripts. These scripts are intended to manipulate package metadata and inflate developer reputation scores through the automatic generation of derivative packages.
Vulnerability Detail
The vulnerability originates from the inclusion of malicious code within the easy_coyote-appteadev package. This code modifies the package.json file by removing private flags, altering version numbers, and generating random package names. The malicious payload continuously republishes these variants, leading to pollution of the npm registry and potential misuse of developer reputation systems. The ramifications include loss of trust in the npm ecosystem and potential security risks for applications relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall easy_coyote-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 easy_coyote-appteadev package and look for alternative packages that provide similar functionality without the associated risks.
Conclusion
The easy_coyote-appteadev package has been identified as containing malicious code that poses a significant threat to the npm ecosystem. It is crucial for developers to uninstall this package and monitor their projects for vulnerabilities to maintain security and trust in their applications.
See every vulnerability recorded for easy_coyote-appteadev →
FAQ
easy_coyote-appteadev is an npm package that was part of a token reward campaign but has been compromised with malicious code.
The malicious code can modify your package.json file and republish variants, leading to potential security risks and pollution of the npm registry.
You should uninstall the easy_coyote-appteadev package immediately to mitigate any risks associated with its malicious code.
Yes, you should look for other npm packages that provide similar functionalities without the security risks.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using your package-lock.json file. You can check if your application is affected by visiting the Vulert playground.
