Malicious Code Injection in ulashor-notthedevs Package

ulashor-notthedevs Updated 18 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-109963: Malicious code in ulashor-notthedevs (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The ulashor-notthedevs package is part of the npm ecosystem, primarily used for various JavaScript applications. It is associated with the tea.xyz token reward campaign, which has been known to flood the npm registry with malicious packages. This package, like others in the campaign, is designed to manipulate npm's publishing system to inflate developer reputation scores through automated scripts.

Vulnerability Detail

The vulnerability in the ulashor-notthedevs package originates from its involvement in a malicious campaign that modifies the package.json file to remove private flags and changes version numbers. It generates random package names and continuously republishes these variants, polluting the npm registry. This can lead to unauthorized access to sensitive data, reputation damage for developers, and an overall compromised npm ecosystem.

How To Fix

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

npm uninstall ulashor-notthedevs

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 ulashor-notthedevs package altogether and look for alternative packages that provide similar functionality without the associated risks.

Conclusion

The ulashor-notthedevs package poses a significant risk due to its malicious code that modifies package metadata and floods the npm registry. It is essential to uninstall this package and monitor your dependencies to maintain the security of your applications.

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FAQ

ulashor-notthedevs is an npm package involved in a malicious campaign that modifies package metadata and floods the npm registry with unauthorized packages.

This vulnerability can lead to unauthorized modifications in your project's dependencies, potentially exposing sensitive data and damaging your application's reputation.

You should uninstall the ulashor-notthedevs package immediately using the command: npm uninstall ulashor-notthedevs.

Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just package-lock.json. You can check your application for vulnerabilities using the Vulert playground without any signup.

Regularly audit your dependencies, use tools like Vulert for monitoring, and stay updated on the latest security advisories for the packages you use.

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How To Fix

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

npm uninstall ulashor-notthedevs

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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