Malicious Code Injection in messi-tuw-tauas Package - npm Vulnerability
Summary
MAL-2025-160380: Malicious code in messi-tuw-tauas (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The messi-tuw-tauas 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, which can inflate developer reputation scores for token rewards. However, it has been identified as containing malicious scripts that compromise its integrity.
Vulnerability Detail
The vulnerability in the messi-tuw-tauas 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 leads to the continuous republishing of variants, polluting the npm registry and potentially affecting other developers and users by compromising the integrity of the ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall messi-tuw-tauasIf 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 messi-tuw-tauas package from your project by executing the following command: npm uninstall messi-tuw-tauas. This will prevent any malicious code from executing until a fix is applied.
Conclusion
The messi-tuw-tauas package has been identified as containing malicious code that compromises the integrity of the npm ecosystem. It is crucial for developers to take immediate action by updating or uninstalling the package to protect their applications from potential threats.
See every vulnerability recorded for messi-tuw-tauas →
FAQ
The messi-tuw-tauas package is an npm package associated with the tea.xyz token reward campaign, designed to automate the publication of derivative packages.
The vulnerability allows the package to modify package.json files, remove private flags, and continuously republish variants, which can lead to pollution of the npm registry.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without any signup.
If an immediate update is not possible, consider uninstalling the package as a temporary measure to mitigate risks associated with the vulnerability.
Detailed information can be found in the vulnerability report on the Open Source Vulnerability database or by checking the package's repository.
