CVE-2021-26024: Nagios Favorites

Medium severity, CVSS 5.3. EPSS: 19% chance of exploitation in the next 30 days.

The Favorites component before 1.0.2 for Nagios XI 5.8.0 is vulnerable to Insecure Direct Object Reference: it is possible to create favorites for any other user account.

Affected products

• Nagios Favorites: before 1.0.2 (fixed in 1.0.2)

Published 2021-02-03. Last modified 2026-06-17.