Malicious Code Injection in formidable_silverfish_0xrequest Package
Summary
MAL-2025-102871: Malicious code in formidable_silverfish_0xrequest (npm). Affected versions are not published. 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
Background
The formidable_silverfish_0xrequest package is part of the npm ecosystem, typically used for handling file uploads in Node.js applications. However, this package has been identified as part of a malicious campaign that floods the npm registry with harmful scripts designed to manipulate package metadata and inflate developer reputation scores.
Vulnerability Detail
The vulnerability originates from a malicious payload embedded within the formidable_silverfish_0xrequest package. This payload modifies the package.json file to remove private flags, alters version numbers, and generates random package names, leading to pollution of the npm registry. The ramifications include potential security risks for developers who unknowingly use this package, as it can lead to unauthorized access or manipulation of their projects.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall formidable_silverfish_0xrequest
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 using alternative packages for file uploads that are known to be secure and have a good reputation in the community. Always verify the integrity of packages before installation.
Conclusion
The formidable_silverfish_0xrequest package poses a significant security risk due to its malicious code designed to manipulate npm registry data. It is essential to remove this package from your projects and monitor for vulnerabilities using tools like Vulert to ensure the security of your applications.
See every vulnerability recorded for formidable_silverfish_0xrequest →
FAQ
It is an npm package used for handling file uploads in Node.js applications, but it has been compromised with malicious code.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities. Check your application using the Vulert playground at Vulert Scanner.
Using this package can lead to unauthorized access to your project, manipulation of your package metadata, and potential security breaches.
Regularly audit your dependencies and use tools like Vulert to monitor for vulnerabilities in real-time.
Immediately uninstall the package and replace it with a secure alternative. Review your project for any potential security issues.