Malicious Code Detected in cko-ui-toolkit: npm Package Vulnerability
Summary
MAL-2026-193: Malicious code in cko-ui-toolkit (npm). Affects cko-ui-toolkit versions 99.99.9. 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 cko-ui-toolkit is a JavaScript library designed for building user interfaces in web applications. It provides a set of reusable components and utilities that streamline the development process. However, the package has been flagged for malicious behavior, specifically executing commands that could compromise security.
Vulnerability Detail
The vulnerability originates from the cko-ui-toolkit package version 99.99.9, identified by the OpenSSF Package Analysis project as malicious. The package is capable of executing one or more commands associated with harmful behavior, which could lead to unauthorized access, data breaches, or system compromise. This poses significant risks to applications that rely on this package, as it undermines the integrity and security of the software.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall cko-ui-toolkitIf 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
If immediate updating is not feasible, consider removing the cko-ui-toolkit package from your project until a secure version is available. You can do this by running: npm uninstall cko-ui-toolkit. Alternatively, you may explore other UI toolkit packages that do not have known vulnerabilities.
Conclusion
The cko-ui-toolkit package has been identified as malicious, posing significant security risks to applications that utilize it. It is essential to update to a secure version or remove the package to mitigate these risks. Regular monitoring of your dependencies using tools like Vulert can help maintain the security of your software.
See every vulnerability recorded for cko-ui-toolkit →
FAQ
The cko-ui-toolkit is a JavaScript library used for building user interfaces in web applications, offering reusable components and utilities.
The malicious behavior was identified by the OpenSSF Package Analysis project, which flagged the package for executing harmful commands.
Using the vulnerable version can lead to unauthorized access, data breaches, and potential system compromise, affecting the security of your application.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities using just your package-lock.json file. Check your application for vulnerabilities at the Vulert playground without any signup.
If you cannot update the package right away, consider removing it from your project or using an alternative package until a secure version is released.
