Critical Malicious Code Vulnerability in @helloflex/widget-next-sdk

@helloflex/widget-next-sdk Updated 05 Feb 2026

Summary

05/02/2026
CRITICAL
No i
Critical
Not published

MAL-2026-760: Malicious code in @helloflex/widget-next-sdk (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The @helloflex/widget-next-sdk is an npm package designed for integrating flexible widget functionalities into applications. It allows developers to enhance user interfaces with customizable components. However, this package has been compromised, leading to severe security risks for any system utilizing it.

Vulnerability Detail

This vulnerability stems from the presence of malicious code embedded within the @helloflex/widget-next-sdk package. Any system with this package installed is considered fully compromised, potentially allowing unauthorized access to sensitive information such as secrets and keys. The malicious code can lead to complete control of the affected computer by an external entity, posing significant risks to data integrity and confidentiality.

How To Fix

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

npm uninstall @helloflex/widget-next-sdk

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

Currently, there are no effective workarounds other than removing the package and ensuring that all sensitive information is secured. It is advisable to monitor your systems for any signs of compromise.

Conclusion

The @helloflex/widget-next-sdk package has been compromised with malicious code, posing significant security risks. Immediate action is required to remove the package and secure any sensitive information. Regular monitoring and updates are essential to prevent future vulnerabilities.

See every vulnerability recorded for @helloflex/widget-next-sdk →

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FAQ

Immediately remove the package and rotate any secrets or keys stored on the affected system.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Check your application using the Vulert playground at Vulert Scanner without needing to sign up.

Failing to address this vulnerability can lead to unauthorized access to sensitive data, potential data breaches, and loss of control over your systems.

Regularly monitor your dependencies for vulnerabilities using tools like Vulert and keep your packages updated to the latest secure versions.

If immediate removal is not possible, ensure that sensitive data is secured and monitor your systems closely for any unusual activity.

How To Fix

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

npm uninstall @helloflex/widget-next-sdk

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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