{"action":"Upgrade nagios4 to 4.5.14+ds-1 or later.","affected":[{"fixed":"4.5.14+ds-1","introduced":"0"}],"component":"nagios4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.5.14+ds-1"],"id":"tcs_01M5NSKTRTVPE0CMJ22HTYHPF2","modified_at":"2026-10-14T06:00:24.009568354Z","published_at":"2026-08-26T16:16:26.967Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-48549","https://security-tracker.debian.org/tracker/CVE-2026-48549"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-48549#Debian:14/nagios4","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-48549"}],"summary":"Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 contains a CSRF vulnerability in cmd.cgi. When no Cookie header is present, the double-submit cookie protection can be bypassed by supplying mat"}