{"action":"Upgrade nagios4 to 4.4.6-4.1+deb13u2 or later.","affected":[{"fixed":"4.4.6-4.1+deb13u2","introduced":"0"}],"component":"nagios4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.4.6-4.1+deb13u2"],"id":"tcs_01M5NSKWDCSVEDFH3Z225AGXT9","modified_at":"2026-10-14T06:00:23.997794400Z","published_at":"2026-08-12T17:17:27.840Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-48554","https://security-tracker.debian.org/tracker/CVE-2026-48554"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-48554#Debian:13/nagios4","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-48554"}],"summary":"Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution via unfiltered NOTIFICATION-family macro substitution through the com_data parameter. When"}