Malicious Code Injection in lookingan-nalako19: A Threat to npm Ecosystem
Summary
MAL-2025-158426: Malicious code in lookingan-nalako19 (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 package 'lookingan-nalako19' is part of a series of npm packages that emerged during the tea.xyz token reward campaign. These packages are designed to inflate developer reputation scores by automatically generating and publishing derivative packages with randomized names. This behavior poses a significant risk to the integrity of the npm registry and the security of applications relying on these packages.
Vulnerability Detail
The vulnerability in 'lookingan-nalako19' stems from its malicious code that modifies the package.json file to remove private flags and alter version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants, leading to pollution of the npm registry. This not only compromises the security of applications using these packages but also undermines the trustworthiness of the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall lookingan-nalako19If 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 avoid using the 'lookingan-nalako19' package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your package-lock.json file for any unauthorized changes.
Conclusion
The 'lookingan-nalako19' package presents a significant security risk due to its malicious code that alters package metadata and floods the npm registry with unauthorized packages. It is crucial for developers to remove this package and monitor their dependencies to maintain the integrity of their applications.
See every vulnerability recorded for lookingan-nalako19 →
FAQ
'lookingan-nalako19' is an npm package that is part of a malicious campaign aimed at inflating developer reputation scores through automated publishing of derivative packages.
The vulnerability can lead to unauthorized modifications in your package.json file, potentially introducing security risks and instability in your application.
You should uninstall the package immediately using the command: npm uninstall lookingan-nalako19.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software using just the package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
