CVE-2025-34227

High

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.

SeverityHigh

CVSS8.8

Exploit probability—

ProductNagios Xi

PublishedSep 25, 2025

First seenSep 25, 2025

Weakness typeCWE-78OS command injection

How to fix

Patches

nagios.com/changelog/
nagios.com/products/security/

Affected products

Product	Affected versions	Fixed in
nagios nagios_xi	v ≤ 2026	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.