hyatt-residential-roster

GHSA-5435-9frm-gvxw

Malicious code in hyatt-residential-roster (npm)

Details

**Severity:** Critical

**Affected versions:** `>= 999.999.999`

Package is malware. Collects and exfiltrates sensitive data to an external server. Suspicious install scripts execute the same script multiple times. The package communicates with a domain associated with malicious activity.

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/05b419acdcdd6e02782971da765f32a22a1aed8e/osv/malicious/npm/hyatt-residential-roster/MAL-2025-48691.json))

**References:**
- https://github.com/ossf/malicious-packages/blob/05b419acdcdd6e02782971da765f32a22a1aed8e/osv/malicious/npm/hyatt-residential-roster/MAL-2025-48691.json
- https://safedep.io/malicious-npm-packages-hyatt-campaign
- https://github.com/advisories/GHSA-5435-9frm-gvxw

Compromised versions (1)

>= 999.999.999

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