Malicious Code Injection in tehah-coff-brew Package
Summary
MAL-2025-168953: Malicious code in tehah-coff-brew (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The tehah-coff-brew 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. However, it has been identified as containing malicious code that compromises the integrity of the npm registry.
Vulnerability Detail
The vulnerability in tehah-coff-brew originates from its malicious payload, which 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 by inflating reputation scores through deceptive practices.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall tehah-coff-brewIf 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 tehah-coff-brew package and replace it with a trusted alternative. If you must use it, consider isolating it in a separate environment to limit its impact on your main application.
Conclusion
The tehah-coff-brew package has been identified as containing malicious code that poses a significant risk to developers and the npm ecosystem. It is crucial to remove this package from your projects and monitor your dependencies for vulnerabilities to maintain the integrity of your applications.
See every vulnerability recorded for tehah-coff-brew →
FAQ
Tehah-coff-brew is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The vulnerability can lead to the pollution of the npm registry, affecting the integrity of your project and potentially compromising your developer reputation.
You should uninstall the package immediately using npm uninstall tehah-coff-brew and check your project for any other affected dependencies.
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 without requiring access to the code or installation.
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