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Vulnerability record · CVE-2025-34227 · published 25 September 2025

CVE-2025-34227: Nagios xi os command injection vulnerability

Nagios · Nagios Xi

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.

8.6 CVSS 4.0 High EPSS 24% · top 2.2% CWE-78 · OS command injection
8.6CVSS 4.0 base score
24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://theyhack.me/CVE-2025-34227-Nagios-XI-Wizard-Command-Injection/ ExploitThird 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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-34227), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.