Malicious Code Injection in sensitive_cat-notthedevs Package
Summary
MAL-2025-108540: Malicious code in sensitive_cat-notthedevs (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 'sensitive_cat-notthedevs' package is part of a series of npm packages that have been associated with the tea.xyz token reward campaign. These packages are designed to automate the generation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for token rewards. This behavior raises concerns about the integrity and security of the npm ecosystem.
Vulnerability Detail
The vulnerability in the 'sensitive_cat-notthedevs' package stems from its malicious payload, which modifies the package.json file to remove private flags and alters version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This not only compromises the security of the affected packages but also affects the overall reliability of the npm ecosystem by flooding it with potentially harmful packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall sensitive_cat-notthedevsIf 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 remove the 'sensitive_cat-notthedevs' package from your project to avoid exposure to its malicious behavior. You can do this by executing the following command: 'npm uninstall sensitive_cat-notthedevs'. Additionally, consider using Vulert to monitor your project for vulnerabilities in real-time.
Conclusion
The 'sensitive_cat-notthedevs' package poses a significant security risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial to take immediate action by updating or removing the package and utilizing tools like Vulert to maintain the security of your project.
See every vulnerability recorded for sensitive_cat-notthedevs →
FAQ
It is an npm package associated with the tea.xyz token reward campaign, designed to automate the publication of derivative packages.
The vulnerability can compromise your project's security by introducing malicious code and polluting the npm registry with harmful packages.
Check for a patched version of the 'sensitive_cat-notthedevs' package by running 'npm update sensitive_cat-notthedevs'.
It is advisable to uninstall the package immediately and monitor your project for vulnerabilities using tools like Vulert.
Vulert monitors your package-lock.json file to alert you in real-time about open-source vulnerabilities, ensuring your application remains secure.
