Malicious Code Injection in syahlan-poke59: A Threat to npm Users
Summary
MAL-2025-166560: Malicious code in syahlan-poke59 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'syahlan-poke59' is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to inflate developer reputation scores by automatically generating and publishing derivative packages with randomized names. Its functionality is compromised due to the presence of malicious code that alters package metadata.
Vulnerability Detail
The vulnerability in 'syahlan-poke59' originates from its malicious payload, which modifies the package.json file to remove private flags and changes version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior can lead to reputation damage for developers 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 syahlan-poke59
If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can avoid using 'syahlan-poke59' and any packages that depend on it. Monitor your package-lock.json file for any unexpected changes and manually verify the integrity of your dependencies.
Conclusion
The 'syahlan-poke59' package poses a significant threat due to its malicious code that alters package metadata and floods the npm registry with compromised packages. It is crucial for developers to remain vigilant, uninstall affected packages, and utilize tools like Vulert to monitor for vulnerabilities.
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FAQ
'syahlan-poke59' is an npm package that has been identified as containing malicious code aimed at manipulating the npm registry.
The vulnerability can lead to the installation of compromised packages, which may harm your project's integrity and security.
You should uninstall 'syahlan-poke59' immediately and check your project for any other potentially affected packages.
You can use tools like Vulert, which monitors your package-lock.json for open-source vulnerabilities in real-time without requiring code access or installation.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.