Malicious Code Injection in uinsu-losit-duliau: A Threat to npm Ecosystem
Summary
MAL-2025-169923: Malicious code in uinsu-losit-duliau (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 package 'uinsu-losit-duliau' is part of a series of malicious npm packages associated with the tea.xyz token reward campaign. These packages are designed to inflate developer reputation scores by automatically generating and publishing derivative packages with randomized names. The malicious nature of this package lies in its ability to modify critical files and republish variants, thereby polluting the npm registry.
Vulnerability Detail
The vulnerability in 'uinsu-losit-duliau' originates from its design to include autopublish scripts that manipulate the package.json file. This manipulation removes private flags, alters version numbers, and generates random package names, leading to a significant risk of dependency confusion and potential exploitation. The continuous republishing of these variants can clutter the npm registry, making it difficult for developers to find legitimate packages and increasing the risk of inadvertently using compromised code.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall uinsu-losit-duliau
If 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 'uinsu-losit-duliau' package and any other packages that may be part of the tea.xyz token reward campaign. Regularly audit your dependencies using tools like npm audit to identify and address vulnerabilities.
Conclusion
The 'uinsu-losit-duliau' package poses a significant threat to the npm ecosystem due to its malicious code designed to manipulate package metadata and republish variants. It is essential for developers to be vigilant, regularly audit their dependencies, and utilize tools like Vulert for real-time monitoring of vulnerabilities.
See every vulnerability recorded for uinsu-losit-duliau →
FAQ
The 'uinsu-losit-duliau' package is a malicious npm package designed to inflate developer reputation scores through automated publishing of derivative packages.
This vulnerability can lead to dependency confusion, where your project may inadvertently use compromised code, resulting in security risks.
If you have installed 'uinsu-losit-duliau', you should immediately uninstall it using 'npm uninstall uinsu-losit-duliau' and audit your project for other potential vulnerabilities.
You can use tools like npm audit to check for vulnerabilities in your dependencies. Additionally, Vulert can monitor your package-lock.json for real-time alerts on open-source vulnerabilities.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.