Malicious Code Vulnerability in Sturdyfetch3 Package

sturdyfetch3 Updated 24 Dec 2025

Summary

23/12/2025
CRITICAL
No i
Critical
Not published

MAL-2025-192872: Malicious code in sturdyfetch3 (npm). Affects sturdyfetch3 versions 0.30.1. No fix is published. How to fix ↓

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Background

Sturdyfetch3 is an npm package designed for efficient data fetching and handling in JavaScript applications. It provides a robust interface for developers to retrieve and manage data from various sources. However, the package has been identified to contain malicious code, posing significant security risks to applications that utilize it.

Vulnerability Detail

The vulnerability in the sturdyfetch3 package stems from the introduction of malicious code that can compromise the integrity of applications using this package. This code can lead to unauthorized access, data breaches, and potential exploitation of the affected systems. The malicious nature of the code was identified by ReversingLabs, highlighting the importance of scrutinizing third-party packages for security issues.

How To Fix

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

npm uninstall sturdyfetch3

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, consider removing the sturdyfetch3 package from your project until a secure version is released. You can do this by executing the command: npm uninstall sturdyfetch3. This will prevent any potential exploitation while you await a fix.

Conclusion

The sturdyfetch3 package has been identified with a serious vulnerability due to malicious code. It is essential for developers to take immediate action by updating or removing the package to safeguard their applications. Regular monitoring of dependencies using tools like Vulert can help in identifying such vulnerabilities in real-time.

See every vulnerability recorded for sturdyfetch3 →

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FAQ

Sturdyfetch3 is an npm package used for data fetching in JavaScript applications, providing a streamlined way to handle data retrieval.

The malicious code can compromise application security, leading to unauthorized access and potential data breaches.

You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.

Yes, it is recommended to update to the latest version of sturdyfetch3 to mitigate the risks associated with this vulnerability.

If immediate updates are not feasible, consider removing the package from your project as a temporary measure to avoid potential exploitation.

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 sturdyfetch3

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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