Malicious Code Injection in kuinsu-uiu-vilumi: A Threat to npm Users
Summary
MAL-2025-157806: Malicious code in kuinsu-uiu-vilumi (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
kuinsu-uiu-vilumi is an npm package that is part of the tea.xyz token reward campaign. This package is designed to facilitate the distribution of token rewards through various npm packages. However, it has been identified as containing malicious code that can compromise the integrity of the npm registry and the applications that depend on it.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the kuinsu-uiu-vilumi package. This payload modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to the automatic publication of derivative packages. This behavior not only inflates developer reputation scores for the tea protocol but also pollutes the npm registry with potentially harmful packages. The ramifications include the risk of dependency confusion, where developers may inadvertently use compromised packages, leading to security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall kuinsu-uiu-vilumiIf 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 kuinsu-uiu-vilumi package from your project by executing the following command: npm uninstall kuinsu-uiu-vilumi. This will prevent any malicious code from executing until a secure version is available.
Conclusion
The kuinsu-uiu-vilumi package poses a significant risk due to its embedded malicious code, which can compromise the integrity of applications relying on it. It is essential to take immediate action by updating or removing the package and utilizing tools like Vulert to monitor for vulnerabilities in your projects.
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FAQ
kuinsu-uiu-vilumi is an npm package associated with the tea.xyz token reward campaign, designed to facilitate token distribution.
The malicious code can modify your package.json file, leading to the publication of harmful derivative packages that may compromise your application's security.
You should uninstall the package immediately and monitor for any updates or patches that address the vulnerability.
You can use tools like Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without signing up.
