CVE-2025-65966: Hackerbay Oneuptime

High severity, CVSS 8.1. EPSS: 0.3% chance of exploitation in the next 30 days.

OneUptime is a solution for monitoring and managing online services. In version 9.0.5598, a low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface. This issue has been patched in version 9.1.0.

Affected products

• Hackerbay Oneuptime: version 9.0.5598 only

Published 2025-11-26. Last modified 2026-06-17.