Critical Malicious Code Vulnerability in tlxbnhd Package
Summary
MAL-2026-16385: Malicious code in tlxbnhd (npm). Affects tlxbnhd versions 0.0.1. No fix is published. How to fix ↓
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Background
The tlxbnhd package is an npm library that is used for various functionalities within JavaScript applications. However, it has been identified to contain malicious scripts that can compromise the integrity of systems where it is installed. This vulnerability arises from the inclusion of obfuscated lifecycle scripts that execute harmful actions during the installation process.
Vulnerability Detail
The vulnerability is rooted in the tlxbnhd package, which includes obfuscated preinstall.js and postinstall.js scripts. These scripts download executable files from a suspicious URL and run them on the user's system, potentially leading to unauthorized access or data breaches. The malicious code is hidden within a rotating string array, making it difficult to detect. This vulnerability can result in severe consequences, including system compromise and data loss.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall tlxbnhdIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can prevent the installation of the tlxbnhd package by using npm's package-lock.json to lock your dependencies. Additionally, consider using the following command to uninstall the package: npm uninstall tlxbnhd.
Conclusion
The tlxbnhd package contains a critical vulnerability due to embedded malicious code that can compromise systems. It is essential to remove the package and monitor your applications for vulnerabilities using tools like Vulert. Always stay updated with the latest security patches to protect your software.
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FAQ
The tlxbnhd package is an npm library that provides various functionalities for JavaScript applications, but it has been compromised with malicious code.
The malicious code operates by downloading and executing harmful files during the installation process, which can lead to system compromise.
If you have installed tlxbnhd, you should immediately uninstall it and check for any updates or patches that may address the vulnerability.
Yes, you can use Vulert to monitor and alert you in real-time for open-source vulnerabilities in your software without needing access to the code.
You can check if your application is affected by using the Vulert playground at Vulert Scanner, which allows you to analyze your package-lock.json for vulnerabilities without signing up.
