Malicious Code Detected in verify-ayca-amilsua Package - npm Vulnerability
Summary
MAL-2025-170373: Malicious code in verify-ayca-amilsua (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 verify-ayca-amilsua package is part of the npm ecosystem, which is widely used for JavaScript package management. This package, like many others, is intended to facilitate the development of applications by providing reusable code. However, it has been identified as part of a malicious campaign that aims to manipulate the npm registry by creating and publishing numerous derivative packages with altered metadata.
Vulnerability Detail
The vulnerability in the verify-ayca-amilsua package stems from its association with a malicious campaign that floods the npm registry with derivative packages. These packages contain scripts designed to modify the package.json file, removing private flags, changing version numbers, and generating random package names. This behavior can lead to reputation inflation for developers and can pollute the npm registry, making it difficult for legitimate packages to be found. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which exploits npm's publishing mechanisms.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall verify-ayca-amilsua
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 measure, you can avoid using the verify-ayca-amilsua package and any other packages that are part of the malicious campaign. Regularly audit your project's dependencies using tools like npm audit to identify and remove any potentially harmful packages.
Conclusion
The verify-ayca-amilsua package poses a significant risk due to its malicious intent to manipulate the npm registry. It is crucial for developers to be vigilant about the packages they use and to regularly audit their dependencies. By following the recommended steps to uninstall the affected package and utilizing tools like Vulert, developers can safeguard their projects against such vulnerabilities.
See every vulnerability recorded for verify-ayca-amilsua →
FAQ
The verify-ayca-amilsua package is an npm package that has been identified as part of a malicious campaign to manipulate the npm registry.
This vulnerability can lead to the pollution of the npm registry, making it difficult to find legitimate packages and potentially compromising the integrity of your project.
You should uninstall the verify-ayca-amilsua package immediately using the command: npm uninstall verify-ayca-amilsua.
You can use tools like npm audit or services like Vulert, which monitors your package-lock.json for vulnerabilities in real-time.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected without requiring any signup.