CVE-2025-53122: The Opennms Group Horizon

Medium severity, CVSS 6.9. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in OpenNMS Horizon and Meridian applications allows SQL Injection.  Users should upgrade to Meridian 2024.2.6 or newer, or Horizon 33.16 or newer. Meridian and Horizon installation instructions state that they are intended for installation within an organization's private networks and should not be directly accessible from the Internet.

Affected products

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