Critical Malicious Code Vulnerability in fast-todo-app Package
Summary
MAL-2025-6332: Malicious code in fast-todo-app (npm). Affects fast-todo-app versions 3.0.0 – 9.9.9. No fix is published. How to fix ↓
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Background
The fast-todo-app is an npm package designed for managing to-do lists in a web application. It provides functionalities such as adding, deleting, and marking tasks as complete. However, it has been identified to contain malicious code that compromises the security of any system on which it is installed. This vulnerability poses a significant risk to users, as it can lead to unauthorized access and data breaches.
Vulnerability Detail
The vulnerability originates from the inclusion of embedded malicious code within the fast-todo-app package. This code can compromise the entire system, allowing attackers to gain full control over the affected computer. Users are advised to treat any system running this package as fully compromised, necessitating immediate action to rotate all secrets and keys stored on that machine. The malicious nature of the code is classified under CWE-506, indicating that it appears to be intentionally harmful.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall fast-todo-appIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, it is recommended to isolate the affected system from the network and perform a thorough security audit to identify and remove any additional malicious software that may have been installed alongside the package.
Conclusion
The fast-todo-app package has been identified as containing malicious code that poses a serious security risk. Users must take immediate action to remove the package and secure their systems. Regular monitoring for vulnerabilities, such as through Vulert, can help prevent future incidents.
See every vulnerability recorded for fast-todo-app →
FAQ
fast-todo-app is an npm package used for managing to-do lists in web applications.
The vulnerability involves embedded malicious code that compromises the security of any system running the package.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Immediately remove the fast-todo-app package and rotate all secrets and keys stored on the affected system.
Currently, there is no patch available. Users should remove the package to mitigate the risk.
