Critical Malicious Code Vulnerability in itsa-react-focuscontainer Package

itsa-react-focuscontainer Updated 17 Oct 2026

Summary

16/10/2026
CRITICAL
No i
Critical
Not published

MAL-2026-17910: Malicious code in itsa-react-focuscontainer (npm). Affects itsa-react-focuscontainer versions 16.0.10. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored Devnack Penetration testing for web, API and mobile Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The itsa-react-focuscontainer package is a component designed for React applications, providing focus management capabilities to enhance user experience and accessibility. However, it has been identified as containing malicious code, posing significant security risks to any system where it is installed.

Vulnerability Detail

The vulnerability stems from the presence of embedded malicious code within the itsa-react-focuscontainer package. This code can compromise the integrity of the host machine, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of this code means that any system running this package should be considered fully compromised, and the potential ramifications include data theft and unauthorized control over the affected system.

How To Fix

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

npm uninstall itsa-react-focuscontainer

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 to mitigate the risks associated with the malicious code in the itsa-react-focuscontainer package. The only recommended action is to uninstall the package and secure your system.

Conclusion

The itsa-react-focuscontainer package has been identified as containing malicious code that poses a significant security risk. Immediate action is required to uninstall the package and secure any sensitive information. Users are encouraged to utilize tools like Vulert to monitor for vulnerabilities in their applications.

See every vulnerability recorded for itsa-react-focuscontainer →

Share this vulnerability

FAQ

You should immediately uninstall the package and rotate any sensitive information stored on your system.

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.

Leaving the package installed can lead to unauthorized access to your system, data theft, and potential control by malicious actors.

After uninstalling the package, ensure that you rotate all secrets and keys, and consider performing a security audit on your system.

No, there is no patched version available for the itsa-react-focuscontainer package, so the only solution is to remove it.

How To Fix

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

npm uninstall itsa-react-focuscontainer

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 →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback