CVE-2026-48548

MediumCVSS 6.5/10Last modified Sep 24, 2026

Description

Nagios Core before 4.5.12 contains a cross-site request forgery vulnerability in cmd.cgi where the CSRF protection mechanism passes validation when the NagFormId cookie is absent. Attackers can craft a malicious cross-site POST request to execute arbitrary Nagios commands as a currently authenticated user without their knowledge or consent.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 26, 2026
Last modified
Sep 24, 2026
NVD status
Deferred

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CVE-2026-48548: Medium severity, CVSS 6.5 | Vulnix