Malicious Code Injection in yanti-semur72-kyuki Package
Summary
MAL-2025-92616: Malicious code in yanti-semur72-kyuki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The yanti-semur72-kyuki package is part of the npm ecosystem, primarily used for JavaScript development. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with packages that inflate developer reputation scores. This package, like others in the campaign, is designed to automatically generate and publish derivative packages, making it a target for malicious activities.
Vulnerability Detail
The vulnerability in the yanti-semur72-kyuki package originates from its malicious code that modifies the package.json file. It removes private flags, alters version numbers, and generates random package names, which can lead to the pollution of the npm registry. This behavior not only compromises the integrity of the package but also poses a risk to developers who may unknowingly use these malicious variants in their projects.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall yanti-semur72-kyukiIf 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 yanti-semur72-kyuki package altogether and look for alternative packages that provide similar functionality without the associated risks.
Conclusion
The yanti-semur72-kyuki package contains malicious code that poses significant risks to developers and their projects. It is crucial to remove this package and monitor for any potential vulnerabilities in your dependencies. Utilizing tools like Vulert can enhance your security posture by providing real-time alerts for open-source vulnerabilities.
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FAQ
It is an npm package involved in the tea.xyz token reward campaign, which has been identified as malicious.
The vulnerability can lead to the introduction of malicious code into your project, potentially compromising its security and integrity.
You should uninstall the yanti-semur72-kyuki package immediately and monitor your project for any unusual behavior.
Yes, tools like Vulert can help monitor and alert you in real-time for open-source vulnerabilities in your software.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.
