Malicious Code Vulnerability in @emerald-react/banner Package
Summary
MAL-2026-1600: Malicious code in @emerald-react/banner (npm). Affects @emerald-react/banner versions 999.999.999 – 9999.9999.9999. No fix is published. How to fix ↓
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.
No signup required · Results in about 60 seconds
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
The @emerald-react/banner package is a component library for React applications, designed to provide customizable banner notifications. It is widely used in web development for its ease of integration and user-friendly interface. However, recent findings have revealed that this package contains malicious code, posing a significant security risk to applications that utilize it.
Vulnerability Detail
The vulnerability in the @emerald-react/banner package stems from the inclusion of malicious code that can compromise the security of applications using this package. The code was identified in versions 999.999.999 and 9999.9999.999, and it can lead to unauthorized access, data breaches, or other harmful actions within the affected applications. This vulnerability was reported by ReversingLabs and is documented in the Open Source Vulnerability database.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @emerald-react/bannerIf 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 @emerald-react/banner package from your project until a secure version is released. You can do this by running: npm uninstall @emerald-react/banner.
Conclusion
The @emerald-react/banner package has been identified to contain malicious code that poses a security risk to applications. It is essential to update or remove the package to mitigate potential threats. Regular monitoring for vulnerabilities using tools like Vulert can help maintain the security of your applications.
See every vulnerability recorded for @emerald-react/banner →
FAQ
The malicious code can lead to unauthorized access and potential data breaches in applications using the package.
You can use Vulert's playground at Vulert Scanner to check if your application is affected without needing to sign up.
Consider removing the package from your project until a secure version is available.
The vulnerability was reported by ReversingLabs, a security research firm.
Detailed information can be found in the Open Source Vulnerability database and the GitHub repository of the malicious package.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
