Critical Malicious Code Vulnerability in transform-decorators-legacy Package
Summary
MAL-2026-106: Malicious code in transform-decorators-legacy (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The transform-decorators-legacy package is a JavaScript library used in Node.js applications for transforming decorators in legacy code. It is designed to enhance the functionality of existing codebases by allowing developers to apply decorators in a more flexible manner. However, this package has been identified as containing malicious code, posing significant security risks to any system that has it installed.
Vulnerability Detail
The vulnerability originates from the presence of embedded malicious code within the transform-decorators-legacy package. This code can compromise the entire system, allowing unauthorized access to sensitive information such as secrets and keys. The ramifications of this vulnerability are severe, as it can lead to complete control of the affected computer by an external entity. Users are advised to treat any system with this package installed as fully compromised.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall transform-decorators-legacyIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, ensure that all secrets and keys stored on the affected computer are rotated immediately from a secure, unaffected system. Additionally, consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The transform-decorators-legacy package contains malicious code that poses a significant security threat to any system using it. Immediate action is required to remove the package and secure sensitive information. Utilizing tools like Vulert can help in monitoring for such vulnerabilities in the future.
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FAQ
It is a JavaScript library used for transforming decorators in legacy Node.js applications.
If you have the transform-decorators-legacy package installed, your system is likely compromised. Use tools like Vulert to monitor and alert for vulnerabilities.
Immediately rotate all secrets and keys from a secure system and remove the package.
No, there is no patch available for the transform-decorators-legacy package. The only solution is to remove it.
Vulert monitors and alerts for open-source vulnerabilities in your software using just the package-lock.json file, providing real-time insights.
