Malicious Code Injection in manttu-nuyati-miaop Package - npm Vulnerability
Summary
MAL-2025-159946: Malicious code in manttu-nuyati-miaop (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The manttu-nuyati-miaop package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for token rewards. Its functionality is compromised due to the presence of malicious scripts that manipulate package metadata.
Vulnerability Detail
The vulnerability in the manttu-nuyati-miaop package stems from malicious code that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is indicative of a broader trend where such packages are used to pollute the npm registry, potentially leading to security risks for developers who unknowingly depend on these compromised packages. The malicious payload is designed to continuously republish variants, exacerbating the issue.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall manttu-nuyati-miaopIf 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 remove the affected package from your project by executing: npm uninstall manttu-nuyati-miaop. This will prevent the malicious code from executing until a secure version is available.
Conclusion
The manttu-nuyati-miaop package contains a significant vulnerability due to malicious code that alters package metadata and repopulates the npm registry with compromised packages. It is essential to update or remove this package to protect your project from potential security threats.
See every vulnerability recorded for manttu-nuyati-miaop →
FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to automate the generation of derivative packages.
The malicious code modifies your package.json, potentially exposing your project to security risks and affecting your package management.
Yes, you can use Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access.
You can use the Vulert playground at Vulert Scanner to check for vulnerabilities in your application without any signup.
If an immediate update is not possible, consider uninstalling the package as a temporary measure to mitigate risks.
