Critical Malicious Code Vulnerability in rt-da-classic-card-collection Package

Summary

07/01/2026
CRITICAL
No i
Critical
Not published

MAL-2026-137: Malicious code in rt-da-classic-card-collection (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The rt-da-classic-card-collection package is an npm library designed for managing classic card collections. It offers functionalities for adding, removing, and organizing card data. However, this package has been identified as containing malicious code that compromises the security of any system where it is installed.

Vulnerability Detail

The vulnerability stems from embedded malicious code within the rt-da-classic-card-collection package. This code can fully compromise any computer running the package, allowing unauthorized access to sensitive information such as secrets and keys. The origin of this vulnerability is linked to a malicious actor who has injected harmful code into the package, making it a significant threat to users and their data.

How To Fix

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

npm uninstall rt-da-classic-card-collection

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

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Workaround

There are no effective workarounds for this vulnerability. The only recommended action is to uninstall the package and secure your system.

Conclusion

The rt-da-classic-card-collection package contains malicious code that poses a severe risk to any system where it is installed. Immediate action is required to remove the package and secure sensitive information. Users are encouraged to utilize tools like Vulert for ongoing monitoring of open-source vulnerabilities.

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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.

No, there is currently no patched version of the rt-da-classic-card-collection package available.

Failing to address this vulnerability can lead to unauthorized access to your system, potentially resulting in data theft or loss.

While many npm packages are safe, it's essential to regularly monitor and audit your dependencies for vulnerabilities.

Sponsored Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

How To Fix

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

npm uninstall rt-da-classic-card-collection

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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