{"action":"Upgrade mosquitto to 1.4.10-3 or later.","affected":[{"fixed":"1.4.10-3","introduced":"0"}],"component":"mosquitto","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.4.10-3"],"id":"tcs_01M5NCMEWDA42BYN01NCCPF6N8","modified_at":"2026-09-01T20:03:50.295584110Z","published_at":"2017-09-11T16:29:00.260Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-7650","https://security-tracker.debian.org/tracker/CVE-2017-7650"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-7650","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-7650"}],"summary":"In Mosquitto before 1.4.12, pattern based ACLs can be bypassed by clients that set their username/client id to '#' or '+'. This allows locally or remotely connected clients to access MQTT topics that"}