Malicious Code Injection in cindy-gembus19-ruro Package

cindy-gembus19-ruro Updated 24 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-100462: Malicious code in cindy-gembus19-ruro (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The cindy-gembus19-ruro package is part of the npm ecosystem, which is widely used for JavaScript package management. This package is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. These packages often contain scripts designed to manipulate package metadata and inflate developer reputation scores through the automatic generation of derivative packages.

Vulnerability Detail

The vulnerability in the cindy-gembus19-ruro package stems from its inclusion in a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants, which pollutes the npm registry and can compromise the integrity of other packages. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which exploits npm's package management system for malicious purposes.

How To Fix

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

npm uninstall cindy-gembus19-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 workaround, you can prevent the installation of this package by using npm's package-lock.json file to monitor your dependencies. If you suspect that this package is already installed, you can remove it with the command: npm uninstall cindy-gembus19-ruro.

Conclusion

The cindy-gembus19-ruro package is associated with a malicious campaign that poses significant risks to applications using it. It is crucial to remove this package and monitor your dependencies for any potential vulnerabilities. Utilizing tools like Vulert can help maintain the security of your software.

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FAQ

It is an npm package that is part of a malicious campaign aimed at inflating developer reputation scores through the automatic generation of derivative packages.

The vulnerability can lead to the pollution of the npm registry and compromise the integrity of your application's dependencies, potentially introducing further security risks.

You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without any signup.

You should uninstall the cindy-gembus19-ruro package immediately and monitor your dependencies for any other malicious packages.

Regularly audit your dependencies, use tools like Vulert to monitor vulnerabilities, and ensure to keep your packages updated to their latest secure versions.

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How To Fix

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

npm uninstall cindy-gembus19-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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