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npm · Malicious package advisory

Malware

xo-beaver

MAL-2025-39898

Malicious code in xo-beaver (npm)

Details

The package xo-beaver was found to contain malicious code.

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## Source: google-open-source-security (f47822e91a268b85634963cc1c620bf45c186418ab782e91759b54cb3585ad44)
This package installs a dependency hosted on a custom domain that runs an
info stealer during installation. The info stealer focuses on stealing
npm, git, and other CI/CD related tokens.

Compromised versions (1)

  • 88.8.9

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.