CVE-2025-34283: Nagios XI

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

Nagios XI versions prior to 2024R1.4.2 revealed API keys to users who were not authorized for API access when using Neptune themes. An authenticated user without API privileges could view another user's or their own API key value.

Affected products

• Nagios Nagios XI: before 2024 (fixed in 2024); version 2024 only

Published 2025-10-30. Last modified 2026-10-07.