Malicious Code Detected in iosysredis Package: Version 5.13.2 Vulnerability

iosysredis Updated 27 Feb 2026

Summary

26/02/2026
CRITICAL
No i
Critical
Not published

MAL-2026-1054: Malicious code in iosysredis (npm). Affects iosysredis versions 5.13.2. No fix is published. How to fix ↓

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Background

The iosysredis package, available through npm, is designed to facilitate interactions with Redis databases in Node.js applications. It provides a simple API for connecting to and manipulating Redis data structures. However, the package has been flagged for malicious behavior, specifically in version 5.13.2, which poses significant security risks to applications utilizing it.

Vulnerability Detail

The iosysredis package has been identified as malicious due to its communication with a domain linked to harmful activities and the execution of commands associated with malicious behavior. This vulnerability can lead to unauthorized access, data breaches, and potential exploitation of the host system, making it critical for users to address this issue promptly.

How To Fix

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

npm uninstall iosysredis

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

As a temporary workaround, you can remove the iosysredis package from your project until a secure version is available. Use the following command to uninstall it: npm uninstall iosysredis.

Conclusion

The iosysredis package version 5.13.2 has been identified as malicious, posing significant risks to applications using it. Users are advised to update or remove the package to safeguard their systems. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.

See every vulnerability recorded for iosysredis →

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FAQ

iosysredis is an npm package that allows Node.js applications to interact with Redis databases.

Version 5.13.2 has been flagged for communicating with a malicious domain and executing harmful commands.

You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.

If an immediate update is not possible, consider uninstalling the package as a temporary measure to mitigate risks.

For more information on monitoring and alerting for open-source vulnerabilities, visit Vulert at https://vulert.com.

How To Fix

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

npm uninstall iosysredis

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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