Malicious Code Injection in kuinsu-uiu-vilkukbimi Package
Summary
MAL-2025-157802: Malicious code in kuinsu-uiu-vilkukbimi (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The kuinsu-uiu-vilkukbimi package is part of the npm ecosystem, primarily used for JavaScript applications. It is often involved in token reward campaigns, which can lead to the proliferation of malicious packages. This specific package has been identified as part of a scheme that generates and publishes numerous derivative packages to manipulate developer reputation scores.
Vulnerability Detail
The vulnerability in kuinsu-uiu-vilkukbimi stems from its association with the tea.xyz token reward campaign. It contains malicious scripts that modify the package.json file to remove private flags, alter version numbers, and create random package names. This behavior leads to the continuous republishing of variants, polluting the npm registry and potentially compromising the integrity of applications that depend on this package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall kuinsu-uiu-vilkukbimiIf 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 kuinsu-uiu-vilkukbimi package altogether. If it is already in use, consider replacing it with a similar, trusted package that does not exhibit malicious behavior. You can also use the following command to uninstall it: npm uninstall kuinsu-uiu-vilkukbimi.
Conclusion
The kuinsu-uiu-vilkukbimi package poses a significant security risk due to its malicious code that alters package metadata and floods the npm registry. It is essential to remove this package and monitor your applications for vulnerabilities to maintain security.
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FAQ
kuinsu-uiu-vilkukbimi is an npm package associated with JavaScript applications, often linked to token reward campaigns.
The vulnerability can lead to the injection of malicious code, potentially compromising your application's integrity and security.
You should uninstall the kuinsu-uiu-vilkukbimi package immediately and monitor your application for any unusual behavior.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.
