Malicious Code Injection in thoughtless_antlion_dumbs Package

thoughtless_antlion_dumbs Updated 18 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-109641: Malicious code in thoughtless_antlion_dumbs (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The thoughtless_antlion_dumbs 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. This behavior poses a significant risk to the integrity of the npm registry and the security of applications relying on these packages.

Vulnerability Detail

The vulnerability stems from the malicious code embedded within the thoughtless_antlion_dumbs package. This code modifies the package.json file to remove private flags, alters version numbers, and generates random package names, ultimately leading to the continuous republishing of these variants. This not only pollutes the npm registry but also compromises the security of applications that may inadvertently rely on these malicious packages. The origin of this issue is linked to the tea.xyz token reward campaign, which incentivizes developers to inflate their reputation through dubious means.

How To Fix

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

npm uninstall thoughtless_antlion_dumbs

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 prevent the installation of this package by using npm's package-lock.json file to monitor dependencies. Ensure that your project does not include this package by regularly auditing your dependencies with the command: npm audit. Additionally, consider using Vulert to monitor for vulnerabilities in your project without requiring code access or installation.

Conclusion

The thoughtless_antlion_dumbs package poses a significant risk due to its embedded malicious code that modifies project files and inflates npm registry pollution. It is essential to remove this package and monitor your dependencies to maintain the security of your applications.

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FAQ

It is an npm package that is part of a campaign to inflate developer reputation scores by generating and publishing derivative packages.

The malicious code modifies your package.json file, potentially leading to security vulnerabilities and the pollution of the npm registry.

You should uninstall the thoughtless_antlion_dumbs package immediately and audit your project for any other malicious packages.

Yes, you can use Vulert to monitor your project for open-source vulnerabilities in real-time without needing to access the code.

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

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 thoughtless_antlion_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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