Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/NagiosEnterprises/nagioscore/blob/master/Changelog
- https://www.nagios.com/security-disclosures/nagios-core/
- https://www.vulncheck.com/advisories/nagios-core-csrf-via-cmd-cgi
FAQ
What is CVE-2026-48548?
CVE-2026-48548 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ...
How severe is CVE-2026-48548?
CVE-2026-48548 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-48548?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.