Nagios vulnerabilities and fixes

CVEs that mention Nagios, ranked by priority. 3 tracked.

Nagios has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-08-18. Highest priority: CVE-2026-67436 (score 48/100).

• CVE-2026-67436 HIGH 8.3 Linuxfabrik monitoring-plugins provides Python monitoring plugins for Icinga, Nagios, and related monitoring s
• CVE-2026-52817 HIGH 7.0 Linuxfabrik Monitoring Plugins provides monitoring plugins for Icinga, Nagios, and related systems
• CVE-2026-67433 MEDIUM 5.8 Linuxfabrik monitoring-plugins provides Python monitoring plugins for Icinga, Nagios, and related monitoring s

FAQ

How do I fix Nagios vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is Nagios being exploited right now?

None of the tracked Nagios CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which Nagios CVE should I patch first?

CVE-2026-67436 currently ranks highest (48/100): Linuxfabrik monitoring-plugins provides Python monitoring plugins for Icinga, Nagios, and related monitoring s.

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