Critical Malicious Code Vulnerability in capops Package

capops Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-16517: Malicious code in capops (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The capops package is an npm library designed for managing operations in JavaScript applications. It provides various utilities that streamline the development process. However, it has been identified to contain malicious code, posing a significant security risk to users who integrate it into their projects.

Vulnerability Detail

The vulnerability in the capops package originates from the inclusion of malicious code that can compromise the security of applications using this library. This code may lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The malicious nature of this vulnerability makes it critical for developers to address it immediately to safeguard their applications.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall capops

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

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Workaround

As a temporary workaround, you can remove the capops package from your project until a secure version is released. This can be done by executing: 'npm uninstall capops'. Consider using alternative packages that provide similar functionality without the associated risks.

Conclusion

The capops package has been found to contain malicious code, posing a serious threat to applications that utilize it. Developers are urged to update to the latest version or remove the package entirely to mitigate risks. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.

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FAQ

capops is an npm library that offers utilities for managing operations in JavaScript applications.

The malicious code can compromise application security, potentially leading to unauthorized access and data breaches.

You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without any signup.

Yes, updating the capops package to the latest version will address the vulnerability. Use 'npm update capops' to apply the fix.

If an immediate update is not possible, consider uninstalling the capops package and using alternative libraries until a secure version is available.

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How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall capops

If 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 →

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