CVE-2025-34227 HIGH

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

Vendor Nagios
Product Nagios XI
Weakness CWE-78
Published September 25, 2025
Last update May 15, 2026
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 25, 2025 CVE published
May 15, 2026 Record updated