Critical Malicious Code Vulnerability in minify-mangle-names Package
Summary
MAL-2026-1522: Malicious code in minify-mangle-names (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 minify-mangle-names package is an npm module designed to optimize JavaScript code by minifying and mangling variable names. It is commonly used in web development to reduce file sizes and improve load times. However, this package has been compromised, leading to severe security risks for any application that utilizes it.
Vulnerability Detail
The vulnerability originates from the presence of malicious code embedded within the minify-mangle-names package. This code can fully compromise any computer running the package, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of this code poses significant risks, as it may lead to data breaches and unauthorized control over affected systems.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall minify-mangle-namesIf 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 workaround, if you need similar functionality, consider using alternative packages that provide minification and mangling without the associated risks. Always verify the integrity of packages before installation.
Conclusion
The minify-mangle-names package has been identified as containing malicious code, posing significant risks to any system using it. Immediate action is required to remove the package and secure sensitive information. Utilizing tools like Vulert can help monitor and prevent future vulnerabilities.
See every vulnerability recorded for minify-mangle-names →
FAQ
Immediately uninstall the package using 'npm uninstall minify-mangle-names' and rotate any sensitive information stored on the affected system.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.
Failing to remove the package can lead to unauthorized access to sensitive data, potential data breaches, and complete control of your system by malicious actors.
Yes, consider using other reputable minification packages that do not have known vulnerabilities. Always check the package's security history before use.
Regularly audit your dependencies, use tools like Vulert for real-time monitoring, and stay informed about vulnerabilities in the packages you use.
