Malicious Code Vulnerability in iron-demo-helpers Package

iron-demo-helpers Updated 19 Mar 2026

Summary

18/03/2026
CRITICAL
No i
Critical
Not published

MAL-2026-1755: Malicious code in iron-demo-helpers (npm). Affects iron-demo-helpers versions 5.5.0. No fix is published. How to fix ↓

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Background

The iron-demo-helpers package is a utility library in the npm ecosystem designed to assist developers in creating demo applications. It provides various helper functions that streamline the development process. However, this package has been identified as having a serious vulnerability that allows for the execution of malicious code, potentially compromising applications that rely on it.

Vulnerability Detail

The vulnerability identified in the iron-demo-helpers package is due to the presence of malicious code that can execute unauthorized actions within an application. This code was introduced in version 5.5.0 and can lead to severe security breaches, including data theft, unauthorized access, and system compromise. The malicious code was reported by ReversingLabs and is documented in their findings.

How To Fix

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

npm uninstall iron-demo-helpers

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

If immediate updating is not feasible, consider removing the iron-demo-helpers package from your project until a secure version is available. You can do this by executing:

npm uninstall iron-demo-helpers

This will prevent any potential exploitation of the vulnerability in your application.

Conclusion

The iron-demo-helpers package has been found to contain malicious code that poses a significant security risk. It is essential for developers using this package to update to the latest version or remove it from their projects to mitigate potential threats. Utilizing tools like Vulert can help in monitoring and managing open-source vulnerabilities effectively.

See every vulnerability recorded for iron-demo-helpers →

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FAQ

The iron-demo-helpers package is a library used in npm for assisting developers in creating demo applications with various helper functions.

The vulnerability was discovered by ReversingLabs, who identified malicious code in version 5.5.0 of the iron-demo-helpers package.

The risks include potential data theft, unauthorized access to systems, and overall compromise of applications that utilize the affected package.

You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities in real-time. By simply using your package-lock.json file, you can check for vulnerabilities without needing to install any software.

Yes, Vulert provides a playground where you can check your application for vulnerabilities in real-time without any signup required. Visit Vulert Scanner to use this feature.

How To Fix

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

npm uninstall iron-demo-helpers

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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