Malicious Code Injection in dian-ubi19-ruro Package - npm Vulnerability

dian-ubi19-ruro Updated 24 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-101548: Malicious code in dian-ubi19-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The dian-ubi19-ruro package is part of the npm ecosystem, typically utilized for various JavaScript applications. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with numerous packages. This package, like others in the campaign, is designed to manipulate developer reputation scores through the automatic generation and publication of derivative packages.

Vulnerability Detail

The vulnerability in the dian-ubi19-ruro package stems from its malicious code that modifies the package.json file. It removes private flags, alters version numbers, and generates random package names, which are often themed around Indonesian culture. This behavior leads to the continuous republishing of these variants, polluting the npm registry and potentially compromising the integrity of other packages. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which employs such tactics to inflate developer reputation scores.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall dian-ubi19-ruro

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

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Workaround

As a temporary measure, you can avoid using the dian-ubi19-ruro package and any other packages associated with the tea.xyz token reward campaign. Regularly audit your package dependencies to ensure no malicious packages are included.

Conclusion

The dian-ubi19-ruro package poses a significant risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial to uninstall this package and monitor your dependencies for any similar vulnerabilities to maintain the integrity of your applications.

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FAQ

The dian-ubi19-ruro package is an npm package linked to the tea.xyz token reward campaign, which aims to manipulate developer reputation scores.

The vulnerability can lead to the pollution of the npm registry, potentially compromising the integrity of your application and other packages.

You should uninstall the dian-ubi19-ruro package immediately and monitor your dependencies for any other malicious packages.

Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file.

You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall dian-ubi19-ruro

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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