Nagios XI < 2026R1 is vulnerable to an authenticated command injection vulnerability within the MongoDB Database, MySQL Query, MySQL Server, Postgres Server, and Postgres Query wizards. It is possible to inject shell characters into arguments provided to the service and execute arbitrary system commands on the underlying host as the `nagios` user.
Fix
Public exploits 1
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 1
- https://www.nagios.com/products/security/ Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 8.6 · nagiosNVD modified 2026-10-11 20:10
Affected (CPE criteria) 1
cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*
References 4
- https://theyhack.me/CVE-2025-34227-Nagios-XI-Wizard-Command-Injection/ Exploit, Third Party Advisory
- https://www.nagios.com/changelog/ Release Notes
- https://www.nagios.com/products/security/ Vendor Advisory
- https://www.vulncheck.com/advisories/nagios-xi-config-wizard-auth-command-injection Third Party Advisory