Malicious Code Injection in cooperative_panda-strongdev Package

cooperative_panda-strongdev Updated 24 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-101003: Malicious code in cooperative_panda-strongdev (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The cooperative_panda-strongdev package is part of the npm ecosystem, often utilized for various development tasks. However, it has been identified as part of a broader malicious campaign that exploits npm's package management system. This package is designed to manipulate its own metadata and publish variants that can mislead developers and inflate reputation scores illegitimately.

Vulnerability Detail

The vulnerability stems from the package's involvement in the tea.xyz token reward campaign, which floods the npm registry with malicious packages. These packages contain scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior not only pollutes the npm registry but also poses a risk to developers who may unknowingly use these compromised packages, leading to potential security breaches and loss of trust in the npm ecosystem.

How To Fix

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

npm uninstall cooperative_panda-strongdev

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 avoid using the cooperative_panda-strongdev package and look for alternative packages that provide similar functionality without the associated risks. Additionally, regularly audit your dependencies using tools like npm audit to identify and mitigate vulnerabilities.

Conclusion

The cooperative_panda-strongdev package poses significant risks due to its malicious behavior, which can compromise the integrity of your projects. It is crucial to remove this package and monitor your dependencies for vulnerabilities to maintain a secure development environment.

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FAQ

It is an npm package that has been identified as part of a malicious campaign to manipulate the npm registry.

Using this package can lead to security risks, including exposure to malicious code and potential data breaches.

You should uninstall the cooperative_panda-strongdev package immediately and look for alternatives.

You can use tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time without requiring code access.

Yes, you can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without any signup.

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How To Fix

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

npm uninstall cooperative_panda-strongdev

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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