{"action":"Upgrade mosquitto to 1.5.6-r0 or later.","affected":[{"fixed":"1.5.6-r0","introduced":"1.0"}],"component":"mosquitto","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.12","exploited":false,"fixed_versions":["1.5.6-r0"],"id":"tcs_01M5NA6SPDVT3XMFG4K0DGCZ4Z","modified_at":"2026-10-23T17:17:55.209256579Z","published_at":"2019-03-27T18:29:00.303Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-12550","https://security.alpinelinux.org/vuln/CVE-2018-12550"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-12550#Alpine:v3.12/mosquitto","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-12550"}],"summary":"When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use an ACL file, and that ACL file is empty, or contains only comments or blank lines, then Mosquitto will treat this as though"}