Critical Malicious Code Vulnerability in asios.js Package
Summary
MAL-2025-5894: Malicious code in asios.js (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 asios.js package is a JavaScript library available through the npm ecosystem, designed for making HTTP requests. It is often used in web applications to facilitate communication with APIs. However, this package has been identified to contain malicious code that compromises the security of any system where it is installed, making it a significant risk for developers and organizations relying on it.
Vulnerability Detail
The vulnerability stems from the presence of embedded malicious code within the asios.js package. This code can lead to full system compromise, allowing unauthorized access to sensitive information such as secrets and keys stored on the affected machine. The malicious nature of this code has been confirmed through various sources, indicating that any system running this package should be considered at risk. The vulnerability is categorized under CWE-506, which highlights the danger of embedded malicious code.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall asios.jsIf 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
Currently, the best workaround is to uninstall the asios.js package from your project. You can do this by running the following command in your terminal: npm uninstall asios.js. Additionally, consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The asios.js package poses a serious security threat due to embedded malicious code. Immediate action is required to remove the package and secure any compromised systems. Regular monitoring and using tools like Vulert can help prevent future vulnerabilities.
See every vulnerability recorded for asios.js →
FAQ
Immediately uninstall the asios.js package and rotate any secrets or keys stored on the affected machine.
You can use Vulert, which monitors open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.
As of now, there is no patched version available. It is recommended to remove the package entirely.
Failing to address this vulnerability could result in unauthorized access to sensitive data and complete control of your system by malicious actors.
While many npm packages are safe, it is essential to review their code and monitor for vulnerabilities regularly. Tools like Vulert can help with this.
