Malicious Code Vulnerability in umi-bubur92-miaww Package
Summary
MAL-2025-91437: Malicious code in umi-bubur92-miaww (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The umi-bubur92-miaww package is part of a series of npm packages that have been linked to the tea.xyz token reward campaign. These packages are designed to automatically generate and publish derivative packages with randomized names, aiming to inflate developer reputation scores for token rewards. This behavior poses significant risks to the integrity of the npm registry and the security of applications relying on these packages.
Vulnerability Detail
The vulnerability in the umi-bubur92-miaww package stems from its malicious code, 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 compromising 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 for malicious purposes.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall umi-bubur92-miawwIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, you can avoid using the umi-bubur92-miaww package and replace it with a trusted alternative. Always review the packages you include in your project for any signs of malicious behavior.
Conclusion
The umi-bubur92-miaww package contains malicious code that poses a significant risk to applications relying on it. It is crucial to uninstall this package and monitor your dependencies for vulnerabilities. Utilizing tools like Vulert can help ensure the security of your software.
See every vulnerability recorded for umi-bubur92-miaww →
FAQ
The umi-bubur92-miaww package is an npm package linked to a token reward campaign that has been found to contain malicious code.
This vulnerability can lead to the pollution of the npm registry and may compromise the integrity of applications that depend on the affected package.
You should uninstall the umi-bubur92-miaww package immediately using the command npm uninstall umi-bubur92-miaww.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file. You can check if your application is affected by this vulnerability using the Vulert playground at Vulert Scanner.
Yes, you should look for reputable packages that provide similar functionality without the associated risks of malicious behavior.
