{"action":"Upgrade icinga2 to 2.16.2-1 or later.","affected":[{"fixed":"2.16.2-1","introduced":"0"}],"component":"icinga2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.16.2-1"],"id":"tcs_01M5NT7E537BPC9863NM5ACTSC","modified_at":"2026-09-25T08:47:24.523114929Z","published_at":"2026-09-18T18:17:08.217Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-61550","https://security-tracker.debian.org/tracker/CVE-2026-61550"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-61550#Debian:14/icinga2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-61550"}],"summary":"Icinga 2 is an open source monitoring system. From 2.8 until 2.14.9, 2.15.4, and 2.16.2, certificate update JSON-RPC message handling does not validate that the sender is a trusted endpoint. An unauth"}