Malicious Code Injection in udin-tapai75-miaww: A Threat to npm Users

udin-tapai75-miaww Updated 27 Nov 2025

Summary

11/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-91417: Malicious code in udin-tapai75-miaww (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The package 'udin-tapai75-miaww' is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to generate and publish derivative packages with randomized names, aimed at inflating developer reputation scores for token rewards. The malicious nature of this package lies in its ability to modify package.json files, removing private flags and altering version numbers, which can lead to significant issues in dependency management and security.

Vulnerability Detail

The vulnerability in 'udin-tapai75-miaww' originates from its malicious code that modifies the package.json file to remove private flags and changes version numbers. This allows the package to continuously republish variants to the npm registry, polluting it with potentially harmful packages. The ramifications include the risk of unintentional dependency on malicious code, which can compromise application security and integrity. Developers may unknowingly install these malicious packages, leading to further exploitation.

How To Fix

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

npm uninstall udin-tapai75-miaww

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 prevent the installation of this package by using npm's package-lock.json to monitor dependencies. Ensure that your project does not include 'udin-tapai75-miaww' in its dependencies. You can also use the following command to audit your project for vulnerabilities: 'npm audit'.

Conclusion

The 'udin-tapai75-miaww' package poses a significant threat to npm users due to its malicious code that alters package.json files and repopulates the npm registry with harmful variants. It is crucial to remove this package and monitor your dependencies to maintain application security.

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FAQ

'udin-tapai75-miaww' is an npm package associated with a token reward campaign that has been identified as malicious due to its ability to modify package.json files and republish harmful variants.

This vulnerability can lead to the installation of malicious code in your application, compromising its security and potentially leading to data breaches or other exploits.

If you have installed 'udin-tapai75-miaww', you should uninstall it immediately using 'npm uninstall udin-tapai75-miaww' and audit your project for any other vulnerabilities.

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

Regularly audit your dependencies using 'npm audit', keep your packages updated, and consider using tools like Vulert for real-time monitoring of vulnerabilities.

How To Fix

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

npm uninstall udin-tapai75-miaww

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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