CVE-2025-39500: Goodlayers Hostel

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in GoodLayers Goodlayers Hostel gdlr-hostel allows Object Injection.This issue affects Goodlayers Hostel: from n/a through <= 3.1.2.

Affected products

• Goodlayers Goodlayers Hostel: up to and including 3.1.2

Published 2025-05-23. Last modified 2026-06-17.