Malicious Code Detected in @mesh-helpers/themehelper: A Critical Security Alert

@mesh-helpers/themehelper Updated 22 Mar 2026

Summary

22/03/2026
CRITICAL
No i
Critical
Not published

MAL-2026-2024: Malicious code in @mesh-helpers/themehelper (npm). Affects @mesh-helpers/themehelper versions 99999.0.0. No fix is published. How to fix ↓

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Background

The package @mesh-helpers/themehelper is an npm package designed to assist developers with theme-related functionalities in their applications. However, it has been flagged for containing malicious code that compromises its integrity and poses a significant security risk to users. This vulnerability arises from its communication with domains linked to malicious activities and the execution of harmful commands.

Vulnerability Detail

The vulnerability in @mesh-helpers/themehelper stems from its malicious behavior, which includes communicating with a domain associated with nefarious activities and executing commands that can lead to unauthorized access or data breaches. This poses serious risks to applications utilizing this package, potentially leading to data theft, system compromise, or further exploitation of the affected systems.

How To Fix

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

npm uninstall @mesh-helpers/themehelper

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 workaround, you can temporarily disable any features that rely on @mesh-helpers/themehelper until a secure alternative is implemented. Additionally, ensure that your application is monitored for any unusual activity that may arise from the use of this package.

Conclusion

The discovery of malicious code in the @mesh-helpers/themehelper package highlights the importance of vigilance in managing open-source dependencies. Users are urged to uninstall this package and seek alternatives to safeguard their applications from potential threats.

See every vulnerability recorded for @mesh-helpers/themehelper →

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FAQ

The package communicates with a domain known for malicious activities and executes commands that can compromise system security.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.

No, there is currently no patched version available for this package. It is recommended to uninstall it and seek alternatives.

Immediately uninstall the package using npm uninstall @mesh-helpers/themehelper and replace it with a secure alternative.

Regularly monitor your dependencies using tools like Vulert and keep your packages updated to mitigate the risk of vulnerabilities.

How To Fix

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

npm uninstall @mesh-helpers/themehelper

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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