Malicious Code Injection in lookingan-konami57 Package - npm Vulnerability

lookingan-konami57 Updated 26 Nov 2025

Summary

12/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-158319: Malicious code in lookingan-konami57 (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The lookingan-konami57 package is part of a series of npm packages that emerged during the tea.xyz token reward campaign. These packages are designed to inflate developer reputation scores by automatically generating and publishing derivative packages with randomized names. The malicious behavior of this package compromises the integrity of the npm registry and can lead to further exploitation.

Vulnerability Detail

The vulnerability originates from the malicious code embedded within the lookingan-konami57 package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, thereby continuously republishing variants. This behavior not only pollutes the npm registry but also poses risks of reputation damage and potential security breaches for developers using these packages.

How To Fix

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

npm uninstall lookingan-konami57

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 →

Workaround

As a temporary workaround, you can avoid using the lookingan-konami57 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 lookingan-konami57 package poses a significant threat due to its malicious code that modifies package configurations and repopulates the npm registry with harmful variants. It is crucial for developers to remove this package and monitor their dependencies for similar vulnerabilities to maintain the integrity and security of their projects.

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FAQ

The lookingan-konami57 package is an npm package that is part of a malicious campaign aimed at inflating developer reputation scores through automated publishing.

This vulnerability can lead to the pollution of the npm registry, potential security breaches, and damage to your project's reputation.

You should uninstall the lookingan-konami57 package immediately using 'npm uninstall lookingan-konami57' and check for any other affected packages.

Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just package-lock.json. You can also check your application for vulnerabilities using the Vulert playground.

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

How To Fix

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

npm uninstall lookingan-konami57

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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