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CVE-2026-48548

Nagios Core CSRF via cmd.cgi

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.5.12
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Nagios Enterprises, LLC. Nagios Core

    fixed in 4.5.12

References 3

nagios.com

GitHub · NagiosEnterprises/nagioscore

vulncheck.com