Malicious Code Detected in async-operation Package - Security Alert
Summary
MAL-2025-14989: Malicious code in async-operation (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 async-operation package is a widely used npm library that facilitates asynchronous operations in JavaScript applications. It is designed to simplify the management of asynchronous tasks, making it easier for developers to handle operations that require waiting for multiple processes to complete. However, recent findings have revealed that this package contains malicious code, posing significant security risks to applications that utilize it.
Vulnerability Detail
The vulnerability in the async-operation package stems from the inclusion of malicious code that can compromise the security of applications using this library. This code may allow unauthorized access to sensitive data, execute arbitrary commands, or disrupt normal application functionality. The issue was introduced in version 0 and affects all subsequent versions, making it critical for developers to address this vulnerability promptly.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall async-operationIf 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 temporary workaround, consider removing the async-operation package from your project until a secure version is available. You can do this by executing the following command: npm uninstall async-operation.
Conclusion
The async-operation package has been found to contain malicious code, posing significant security risks to applications that utilize it. It is crucial for developers to update the package to a secure version or remove it from their projects to mitigate potential threats. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
See every vulnerability recorded for async-operation →
FAQ
The async-operation package is used to manage asynchronous tasks in JavaScript applications, simplifying the handling of operations that require waiting for multiple processes.
The malicious code was discovered through security audits conducted by Amazon Inspector, which identified the presence of harmful code within the package.
Using the affected async-operation package can lead to unauthorized access to sensitive data, execution of arbitrary commands, and disruption of application functionality.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software by analyzing the package-lock.json file. You can also check if your application is affected by this vulnerability using the Vulert playground without any signup.
If you cannot update the package immediately, consider removing it from your project as a temporary measure until a secure version is available.
