Malicious Code Injection in saku-aimau-umilakoi: A Threat to npm Users
Summary
MAL-2025-165630: Malicious code in saku-aimau-umilakoi (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
saku-aimau-umilakoi is an npm package that has been implicated in a malicious campaign targeting the npm registry. It is part of a broader initiative associated with the tea.xyz token reward program, which aims to inflate developer reputation scores through the automatic generation and publication of derivative packages. This package, like others in the campaign, is designed to manipulate the npm ecosystem for malicious purposes.
Vulnerability Detail
The vulnerability in saku-aimau-umilakoi arises from its inclusion in a malicious package ecosystem 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 these variants, effectively polluting the npm registry and potentially compromising the integrity of applications that depend on these packages. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which exploits npm's publishing mechanisms.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall saku-aimau-umilakoiIf 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 saku-aimau-umilakoi package and replace it with a trusted alternative that provides similar functionality. Always verify the integrity and source of any package before including it in your project.
Conclusion
The saku-aimau-umilakoi package poses a significant risk due to its malicious behavior linked to the tea.xyz token reward campaign. It is crucial for developers to remove this package and monitor their dependencies for vulnerabilities to maintain the security and integrity of their applications.
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FAQ
saku-aimau-umilakoi is an npm package that has been identified as part of a malicious campaign aimed at manipulating the npm registry.
The vulnerability can lead to the pollution of the npm registry, potentially compromising the integrity of your application and its dependencies.
You should uninstall the saku-aimau-umilakoi package immediately and check for any other affected packages in your project.
There is no patch for the saku-aimau-umilakoi package itself, as it is recommended to remove it entirely from your project.
You can use tools like Vulert, which monitors your package-lock.json file to alert you in real-time about open-source vulnerabilities in your software.
