Malicious Code Vulnerability in express-security-suite-2024 Package

express-security-suite-2024 Updated 19 Mar 2026

Summary

18/03/2026
CRITICAL
No i
Critical
Not published

MAL-2026-1733: Malicious code in express-security-suite-2024 (npm). Affects express-security-suite-2024 versions 2.4.1 – 2.4.3. No fix is published. How to fix ↓

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Background

The express-security-suite-2024 package is an npm module designed to enhance the security of Express.js applications by providing various security features and middleware. However, it has been identified to contain malicious code that can compromise the integrity of applications using this package, making it crucial for developers to be aware of this vulnerability.

Vulnerability Detail

The vulnerability stems from malicious code embedded within the express-security-suite-2024 package, specifically in versions 2.4.1, 2.4.2, and 2.4.3. This code can potentially lead to unauthorized access, data breaches, or other security incidents. The origin of this issue is linked to the package being compromised, which poses significant risks to any application relying on it for security enhancements.

How To Fix

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

npm uninstall express-security-suite-2024

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, consider removing the express-security-suite-2024 package from your project until a secure version is confirmed. You can do this by running: npm uninstall express-security-suite-2024. Additionally, review your application for any dependencies that may rely on this package.

Conclusion

The express-security-suite-2024 package has a critical vulnerability due to the presence of malicious code in specific versions. It is essential for developers to update or remove this package to protect their applications from potential security threats. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time.

See every vulnerability recorded for express-security-suite-2024 →

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FAQ

It is an npm module designed to enhance the security of Express.js applications.

Versions 2.4.1, 2.4.2, and 2.4.3 of the express-security-suite-2024 package are affected.

You can use Vulert, which monitors open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without any signup.

As a workaround, consider removing the package from your project until a secure version is available.

The vulnerability was identified by ReversingLabs.

How To Fix

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

npm uninstall express-security-suite-2024

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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