Malicious Code Vulnerability in mansila-tla-s Package
Summary
MAL-2025-159859: Malicious code in mansila-tla-s (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mansila-tla-s package is part of the npm ecosystem, often used for various JavaScript applications. It is designed to facilitate certain functionalities within the npm environment. However, this package has been identified as part of a malicious campaign that floods the npm registry with derivative packages, impacting developers and users alike.
Vulnerability Detail
The vulnerability originates from the mansila-tla-s package being associated with a malicious campaign that modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is intended to inflate developer reputation scores for token rewards, leading to pollution of the npm registry and potential security risks for users who unknowingly install these compromised packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mansila-tla-sIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, consider removing the mansila-tla-s package from your project if it is not essential. You can do this by executing: npm uninstall mansila-tla-s. Additionally, monitor your package-lock.json file for any unauthorized changes.
Conclusion
The mansila-tla-s package has been identified as a vector for malicious code, posing significant risks to applications that utilize it. It is crucial to take immediate action by updating or removing the package and monitoring your project for any vulnerabilities.
See every vulnerability recorded for mansila-tla-s →
FAQ
The mansila-tla-s package is an npm package used in JavaScript applications, but it has been identified as part of a malicious campaign.
This vulnerability can lead to the installation of malicious code, which may compromise your application's integrity and security.
If you have installed the mansila-tla-s package, it is recommended to uninstall it immediately and check for any unauthorized changes in your project.
Yes, you can use Vulert, which monitors your package-lock.json file for open-source vulnerabilities in real-time without requiring code access or installation.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without signing up.
