Malicious Code Injection in lintang-tea31: A Threat to npm Packages
Summary
MAL-2025-158190: Malicious code in lintang-tea31 (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
lintang-tea31 is an npm package that is part of the tea.xyz token reward campaign. This package, like others in the campaign, is designed to inflate developer reputation scores through the automatic generation and publication of derivative packages. It typically includes scripts that automate the publishing process, making it susceptible to malicious exploitation.
Vulnerability Detail
The vulnerability in lintang-tea31 arises from its malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior is intended to pollute the npm registry by continuously republishing variants, thereby compromising the integrity of the package ecosystem. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which employs these tactics to manipulate npm's reputation system.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall lintang-tea31If 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 lock your dependencies. Additionally, you can monitor your project for vulnerabilities using tools like Vulert, which can alert you in real-time for open-source vulnerabilities without requiring code access.
Conclusion
The lintang-tea31 package poses a significant risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial to remove this package from your project and monitor for vulnerabilities to maintain the integrity of your software.
See every vulnerability recorded for lintang-tea31 →
FAQ
lintang-tea31 is an npm package associated with the tea.xyz token reward campaign, which aims to inflate developer reputation scores.
The vulnerability can lead to the modification of your package.json file, potentially compromising your project's integrity and security.
You should uninstall the lintang-tea31 package immediately and check for any dependencies that may be affected.
Yes, you can use Vulert to monitor your project for open-source vulnerabilities in real-time using your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without signing up.
