Malicious Code Injection in teagood-yakuza28: A Threat to npm Users
Summary
MAL-2025-167985: Malicious code in teagood-yakuza28 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
teagood-yakuza28 is an npm package that is part of a broader campaign involving the tea.xyz token reward system. This package, like others in the campaign, is designed to manipulate the npm registry by generating and publishing numerous derivative packages with randomized names. Its primary function is to inflate developer reputation scores for rewards associated with the tea protocol, but this comes at the cost of security and integrity within the npm ecosystem.
Vulnerability Detail
The vulnerability in teagood-yakuza28 stems 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, thereby polluting the npm registry. The origin of this issue is linked to a campaign that exploits npm's publishing capabilities, potentially leading to reputation damage for developers and security risks for users who inadvertently install these malicious packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall teagood-yakuza28If 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 prevent the installation of the vulnerable package by using the npm shrinkwrap feature or by manually removing it from your package.json file. Additionally, you can monitor your dependencies using tools like Vulert, which can alert you to vulnerabilities in real-time without requiring code access.
Conclusion
The teagood-yakuza28 package poses a significant risk due to its malicious behavior aimed at manipulating the npm registry. Users are advised to update or remove the package to safeguard their projects. Utilizing tools like Vulert can further enhance security by providing real-time vulnerability alerts.
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FAQ
teagood-yakuza28 is an npm package involved in a token reward campaign that manipulates the npm registry.
The vulnerability can lead to the installation of malicious packages that may compromise your project's security and integrity.
You should update the package to a patched version if available or remove it from your project to avoid potential risks.
Yes, you can use Vulert to monitor your package-lock.json file for vulnerabilities in real-time without needing to install any additional software.
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