Malicious Code Injection in tusya-fsasd-sdeaf Package: npm Vulnerability Overview
Summary
MAL-2025-169415: Malicious code in tusya-fsasd-sdeaf (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 tusya-fsasd-sdeaf package is part of the npm ecosystem, which is widely used for JavaScript package management. This package has been identified as part of a malicious campaign that aims to manipulate the npm registry by generating and publishing numerous derivative packages with randomized names. The malicious intent behind this package is to inflate developer reputation scores for token rewards associated with the tea.xyz protocol.
Vulnerability Detail
The vulnerability in the tusya-fsasd-sdeaf package stems from its association with a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants, which pollutes the npm registry and can compromise the integrity of other packages. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which has flooded the npm ecosystem with similar malicious packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall tusya-fsasd-sdeafIf 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 prevent the installation of this package by using npm's package-lock.json file to monitor dependencies. Ensure that your project does not include tusya-fsasd-sdeaf or any of its derivatives. You can also utilize Vulert to monitor for vulnerabilities in your project. For example, run the following command to check your package-lock.json: vulert check.
Conclusion
The tusya-fsasd-sdeaf package poses a significant risk due to its malicious code that manipulates the npm registry. It is crucial to remove this package and monitor your dependencies for vulnerabilities. Utilizing tools like Vulert can enhance your project's security by providing real-time alerts for open-source vulnerabilities.
See every vulnerability recorded for tusya-fsasd-sdeaf →
FAQ
The tusya-fsasd-sdeaf package is an npm package identified as part of a malicious campaign to manipulate the npm registry.
This vulnerability can lead to the pollution of the npm registry and compromise the integrity of your project's dependencies.
You should remove the tusya-fsasd-sdeaf package from your project and monitor for any updates or patches.
Yes, Vulert can monitor your package-lock.json file for vulnerabilities and alert you in real-time without requiring code access.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without signing up.
