Critical Malicious Code Vulnerability in sd-security Package

sd-security Updated 15 Dec 2025

Summary

15/12/2025
CRITICAL
No i
Critical
Not published

MAL-2025-192576: Malicious code in sd-security (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The sd-security package is a Node.js library commonly used in npm ecosystems to enhance security features in applications. It provides functionalities that help developers manage security-related tasks efficiently. However, this package has been compromised, leading to severe security risks for any application that utilizes it.

Vulnerability Detail

The vulnerability originates from the presence of malicious code embedded within the sd-security package. This code can fully compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The ramifications are significant, as the malicious code may persist even after the package is removed, leaving systems vulnerable to further exploitation.

How To Fix

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

npm uninstall sd-security

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

There are no effective workarounds for this vulnerability other than removing the sd-security package and ensuring that all sensitive information is secured.

Conclusion

The sd-security package has been identified as containing malicious code that poses a critical security risk. Immediate action is required to remove the package and secure any sensitive information. Utilizing tools like Vulert can help in monitoring and preventing future vulnerabilities.

See every vulnerability recorded for sd-security →

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FAQ

You should remove the sd-security package immediately and rotate any secrets or keys stored on the affected system.

You can use tools like Vulert to monitor and alert for vulnerabilities in your application. Check your package-lock.json file with Vulert's playground at Vulert Scanner.

Removing the package may not eliminate all threats, as the malicious code could have already compromised your system. It's essential to take further security measures.

Regularly audit your dependencies and use tools like Vulert to monitor for vulnerabilities in real-time.

Ignoring this vulnerability could lead to unauthorized access to sensitive data, potential data breaches, and significant security risks for your applications.

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How To Fix

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

npm uninstall sd-security

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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