High · published October 31, 2025
⚠️ A crafty command injection vulnerability awaits in Nagios XI! An authenticated admin can unwittingly execute arbitrary commands on the server — that's like giving a guest the master key to your house without checking their ID! 🔥 Think of it as a restaurant where the chef prepares a dish based on a poorly vetted order. If the kitchen accepts anything without checking, they might accidentally cook up something toxic instead! The consequences could be absolutely devastating — an attacker could run any command with the privileges of the Nagios XI user, potentially taking control of the entire underlying operating system. Imagine someone commandeering your entire security system, altering configurations, and accessing sensitive data!
Think of it as a restaurant where the chef prepares a dish based on a poorly vetted order. If the kitchen accepts anything without checking, they might accidentally cook up something toxic instead! This remote code execution vulnerability arises from insufficient validation of parameters used in the Core Config Manager's Run Check command, allowing shell metacharacters to be injected and executed.
The consequences could be absolutely devastating — an attacker could run any command with the privileges of the Nagios XI user, potentially taking control of the entire underlying operating system. Imagine someone commandeering your entire security system, altering configurations, and accessing sensitive data! Immediately upgrade Nagios XI to version 2026R1 or later to mitigate this vulnerability. Additionally, review your configuration and restrict admin access to trusted personnel only to enhance security further. This is fixable! Follow the steps to patch and lock down your system — you've got this! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| nagios/nagios_xi | < 2026 | 2026 |