Malicious Code Injection in administrative_marlin-strongdev Package

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-99195: Malicious code in administrative_marlin-strongdev (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The administrative_marlin-strongdev package is part of the npm ecosystem, primarily used for various development tasks. However, it has been identified as part of a malicious campaign that floods the npm registry with derivative packages. This package is designed to manipulate developer reputation scores through automated scripts that publish variants of itself with altered metadata.

Vulnerability Detail

The vulnerability stems from the package's involvement in a token reward campaign that utilizes malicious scripts to modify the package.json file. These scripts remove private flags, alter version numbers, and generate random package names, leading to the pollution of the npm registry. The ramifications include potential security risks for developers who unknowingly use this package, as it can lead to the installation of compromised software and the degradation of the npm ecosystem.

How To Fix

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

npm uninstall administrative_marlin-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 administrative_marlin-strongdev package and look for alternative packages that provide similar functionality without the associated risks.

Conclusion

The administrative_marlin-strongdev package poses a significant security risk due to its malicious code designed to manipulate npm registry data. It is crucial for developers to remove this package and monitor their dependencies for vulnerabilities to maintain the integrity of their projects.

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FAQ

It is an npm package that has been identified as part of a malicious campaign aimed at inflating developer reputation scores.

Using this package can lead to the installation of compromised software, potentially exposing your project to security risks.

You should remove the administrative_marlin-strongdev package from your project and monitor for any updates or patches.

You can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time for open-source vulnerabilities.

Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability 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 administrative_marlin-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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