NVD HIGH: CVE-2026-48553 — Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authen...
Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution via custom-variable macro injection through the Nagios Remote Data Processor (NRDP). When a custom variable defined on a host, service, or contact is referenced in a shell-executed command line, an authenticated attacker with NRDP access can inject OS commands through the macro value. Expl
CVE-2026-48553