CVE-2026-48548

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Nagios Enterprises, LLC.Nagios Core0 < 4.5.12affected

Weaknesses

  • CWE-352: Cross-Site Request Forgery (CSRF)

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References