Malicious Code Injection in manttu-role-gagak Package

manttu-role-gagak Updated 26 Nov 2025

Summary

12/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-159968: Malicious code in manttu-role-gagak (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The manttu-role-gagak package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the generation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for token rewards. However, it has been compromised to include malicious scripts that can alter package metadata and publish harmful variants.

Vulnerability Detail

The vulnerability in the manttu-role-gagak package arises from the inclusion of malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names, leading to the continuous republishing of these variants. The origin of this vulnerability is linked to a campaign that floods the npm registry with such malicious packages, posing significant risks to developers and users by polluting the registry and potentially compromising other projects that depend on these packages.

How To Fix

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

npm uninstall manttu-role-gagak

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

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Workaround

As a workaround, you can manually check your package-lock.json file for any instances of manttu-role-gagak and remove it. Additionally, consider using alternative packages that provide similar functionality without the associated risks.

Conclusion

The manttu-role-gagak package has been identified as containing malicious code that can compromise projects using it. It is crucial to remove this package and monitor for updates. Utilizing tools like Vulert can help in identifying and managing vulnerabilities in your dependencies effectively.

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FAQ

The manttu-role-gagak package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.

The vulnerability can lead to the pollution of the npm registry, potentially compromising your project by introducing malicious code and altering package metadata.

You should remove the manttu-role-gagak package from your project and monitor for any updates or patches that may address the vulnerability.

Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. You can check your application using the Vulert playground without any signup.

To prevent similar vulnerabilities, regularly audit your dependencies, use tools like Vulert to monitor for vulnerabilities, and avoid using unverified packages.

How To Fix

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

npm uninstall manttu-role-gagak

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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