Malicious Code Injection in umi-kue12-breki Package
Summary
MAL-2025-75860: Malicious code in umi-kue12-breki (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The umi-kue12-breki package is part of the npm ecosystem and appears to be 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 in exchange for token rewards. However, its functionality is compromised due to the presence of malicious code that alters package metadata.
Vulnerability Detail
The vulnerability in the umi-kue12-breki package stems from its malicious payload, which modifies the package.json file by removing private flags and changing version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior can lead to security risks, including the potential for dependency confusion and the introduction of untrusted code into projects that rely on this package.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall umi-kue12-brekiIf 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 umi-kue12-breki package altogether and look for alternative packages that provide similar functionality without the associated risks.
Conclusion
The umi-kue12-breki package contains a significant vulnerability due to its malicious code that alters package metadata and repackages itself. It is essential to remove this package from your project and monitor your dependencies for any vulnerabilities to maintain the security of your application.
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FAQ
The umi-kue12-breki package 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 introduction of untrusted code into your project, potentially compromising its security and integrity.
If you have installed the umi-kue12-breki package, it is crucial to remove it from your project immediately to mitigate any risks.
Yes, you can use tools like Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software using just package-lock.json.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
