Critical Malicious Code Vulnerability in bk11 Package
Summary
MAL-2025-15775: Malicious code in bk11 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The bk11 package is a JavaScript library commonly used in Node.js applications for various functionalities, including cryptographic operations and data manipulation. It is popular among developers for its ease of use and integration capabilities. However, recent findings have revealed that the package contains malicious code, posing significant risks to applications that rely on it.
Vulnerability Detail
The vulnerability in the bk11 package originates 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, lead to data breaches, or enable remote code execution. The malicious nature of this vulnerability makes it critical for developers to address it immediately to protect their applications and users.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall bk11If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, consider removing the bk11 package from your project until a secure version is available. You can do this by executing 'npm uninstall bk11' in your project directory.
Conclusion
The discovery of malicious code in the bk11 package highlights the importance of regularly monitoring and updating dependencies in software projects. Developers are urged to take immediate action to mitigate risks associated with this vulnerability by updating or removing the affected package.
See every vulnerability recorded for bk11 →
FAQ
bk11 is a JavaScript library used in Node.js applications for various functionalities, including cryptographic operations.
The malicious code in bk11 can lead to unauthorized access to sensitive data and may allow remote code execution.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without any signup.
If an immediate update is not possible, consider removing the bk11 package from your project as a temporary measure.
More details can be found in the Open Source Vulnerability database at https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/bk11/MAL-2025-15775.json.
