Critical Malicious Code Vulnerability in formik-error-focus Package

formik-error-focus Updated 25 Nov 2025

Summary

24/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-191096: Malicious code in formik-error-focus (npm). Affects formik-error-focus versions 2.0.1. No fix is published. How to fix ↓

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Background

The formik-error-focus package is a utility designed for managing focus on error fields in forms built with Formik, a popular React library for handling forms. This package aims to enhance user experience by directing attention to input fields that require correction. However, it has been compromised, leading to serious security concerns.

Vulnerability Detail

The vulnerability stems from the presence of embedded malicious code within version 2.0.1 of the formik-error-focus 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 malicious code's origin is linked to a known malware source, and its ramifications include potential data breaches and loss of control over the affected system.

How To Fix

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

npm uninstall formik-error-focus

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

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Workaround

Currently, there are no workarounds to mitigate the risks associated with this vulnerability other than removing the package entirely.

Conclusion

The formik-error-focus package has been identified as containing malicious code that poses significant security risks. Immediate action is required to remove the package and secure any sensitive information. Users are encouraged to utilize tools like Vulert for ongoing monitoring of their dependencies.

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FAQ

Immediately uninstall the package using 'npm uninstall formik-error-focus' and rotate any sensitive information stored on the affected system.

You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.

Failing to remove the package could lead to unauthorized access to sensitive data, potential data breaches, and loss of control over your system.

Yes, Vulert provides a service that monitors and alerts you in real-time for open-source vulnerabilities using just your package-lock.json file.

Given the current compromise, it is advisable to avoid using this package until it has been thoroughly reviewed and verified as secure.

How To Fix

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

npm uninstall formik-error-focus

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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