{"action":"Upgrade nagios4 to 4.4.6-4+deb12u1 or later.","affected":[{"fixed":"4.4.6-4+deb12u1","introduced":"0"}],"component":"nagios4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.4.6-4+deb12u1"],"id":"tcs_01M5NSKT607F6WDYG6RHB52R71","modified_at":"2026-10-14T06:00:20.426039676Z","published_at":"2026-08-26T16:16:26.790Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-48548","https://security-tracker.debian.org/tracker/CVE-2026-48548"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-48548","url":"https://osv.dev/vulnerability/DEBIAN-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"}