{"action":"Upgrade rabbitmq-server to 4.3.0-2 or later.","affected":[{"fixed":"4.3.0-2","introduced":"0"}],"component":"rabbitmq-server","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.3.0-2"],"id":"tcs_01M5NTN2DGCPC3YC5Q9JSVEKVG","modified_at":"2026-10-23T18:05:41.337586913Z","published_at":"2026-09-23T20:17:12.850Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-66070","https://security-tracker.debian.org/tracker/CVE-2026-66070"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-66070#Debian:14/rabbitmq-server","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-66070"}],"summary":"RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.17, 4.0.22, 4.1.13, and 4.2.6, match_origin/1 returned the bare reflected Origin and allowed credentials even when the wildcard \"\""}