Malicious Code Injection in maman-ubi98-kyuki Package - npm Vulnerability
Summary
MAL-2025-88298: Malicious code in maman-ubi98-kyuki (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 maman-ubi98-kyuki 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 alters package metadata and floods the npm registry with unwanted variants.
Vulnerability Detail
The vulnerability originates from the malicious code embedded within the maman-ubi98-kyuki package. This code modifies the package.json file to remove private flags, changes version numbers, and generates random package names, leading to the pollution of the npm registry. The malicious payload can significantly impact developers by inflating reputation scores fraudulently and compromising the integrity of the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall maman-ubi98-kyukiIf 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 maman-ubi98-kyuki package and monitor your dependencies for any similar malicious packages. Regularly audit your npm packages using npm audit to identify and address vulnerabilities.
Conclusion
The maman-ubi98-kyuki package contains 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 similar vulnerabilities to maintain the integrity of your software.
See every vulnerability recorded for maman-ubi98-kyuki →
FAQ
The maman-ubi98-kyuki package is an npm package associated with the tea.xyz token reward campaign, designed to generate and publish derivative packages.
The malicious code modifies your package.json file, removes private flags, and floods the npm registry with unwanted package variants, potentially compromising your project's integrity.
You should uninstall the maman-ubi98-kyuki package immediately using the command npm uninstall maman-ubi98-kyuki.
You can use tools like Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file. You can also check your application for vulnerabilities using the Vulert playground without any signup.
Regularly audit your npm packages using npm audit, and consider using tools like Vulert to monitor your dependencies for vulnerabilities.
