Malicious Code Detected in Blendish Package - Security Alert

blendish Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-15815: Malicious code in blendish (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

Blendish is an npm package designed for creating user interfaces with a focus on simplicity and ease of use. It allows developers to build interactive applications quickly. However, recent findings have revealed that the package contains malicious code, posing a significant security risk to users who integrate it into their projects.

Vulnerability Detail

The vulnerability in the Blendish package stems from the inclusion of malicious code that can compromise the security of applications utilizing this package. This code may lead to unauthorized access, data breaches, or other harmful actions within the affected systems. The issue was introduced in version 0 and affects all subsequent versions, making it critical for users to take immediate action.

How To Fix

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

npm uninstall blendish

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 →

Workaround

As a temporary measure, users can avoid using the Blendish package and explore alternative libraries that provide similar functionality without the associated risks. Additionally, employing security tools to monitor dependencies can help mitigate potential threats.

Conclusion

The discovery of malicious code in the Blendish npm package highlights the importance of regularly auditing dependencies in software projects. Users are strongly advised to remove the affected package and monitor their applications for any signs of compromise. Utilizing tools like Vulert can provide additional security by alerting users to vulnerabilities in real-time.

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FAQ

Blendish is an npm package used for building user interfaces, focusing on simplicity and ease of integration.

The malicious code can lead to unauthorized access and potential data breaches in applications that use the package.

You can use Vulert, which monitors open-source vulnerabilities in your software. Simply upload your package-lock.json file to check for vulnerabilities in real-time.

While the best solution is to remove the package, you can monitor your application closely for any unusual activity and consider using security tools to help identify potential threats.

Detailed information about the vulnerability can be found on the GitHub repository of the malicious packages project.

How To Fix

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

npm uninstall blendish

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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