Malicious Code Injection in unknown_rabbit_dumbs Package - npm Vulnerability

unknown_rabbit_dumbs Updated 18 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-110154: Malicious code in unknown_rabbit_dumbs (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The unknown_rabbit_dumbs package is part of a series of malicious packages that emerged during the tea.xyz token reward campaign. These packages are designed to manipulate the npm registry by creating and publishing numerous derivative packages with randomized names. The primary function of these packages is to inflate developer reputation scores for token rewards, but they pose significant risks to the integrity of the npm ecosystem.

Vulnerability Detail

The vulnerability in the unknown_rabbit_dumbs package originates from its malicious intent to modify package.json files. It removes private flags, alters version numbers, and generates random package names, which leads to the pollution of the npm registry. This behavior can result in developers unknowingly using compromised packages, potentially exposing their applications to further security risks and undermining the trustworthiness of the npm ecosystem.

How To Fix

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

npm uninstall unknown_rabbit_dumbs

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, avoid using the unknown_rabbit_dumbs package and any other packages associated with the tea.xyz token reward campaign. Regularly audit your dependencies using tools like npm audit to identify and mitigate risks from malicious packages.

Conclusion

The unknown_rabbit_dumbs package poses a significant security risk due to its malicious behavior of modifying package.json files and polluting the npm registry. It is essential to remove this package from your projects and to utilize tools like Vulert for ongoing monitoring of vulnerabilities in your dependencies.

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FAQ

The unknown_rabbit_dumbs package is a malicious npm package that is part of a campaign to inflate developer reputation scores through the creation of numerous derivative packages.

This vulnerability can lead to the inclusion of compromised packages in your application, potentially exposing it to security risks and undermining the integrity of your software.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. By simply uploading your package-lock.json file, you can check for vulnerabilities without needing to install any software.

If you find the unknown_rabbit_dumbs package in your project, uninstall it immediately using npm uninstall unknown_rabbit_dumbs and check your package-lock.json for any lingering references.

To prevent future vulnerabilities, regularly audit your dependencies, use tools like npm audit, and consider using Vulert to monitor your projects for open-source vulnerabilities.

Sponsored Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

How To Fix

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

npm uninstall unknown_rabbit_dumbs

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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