{"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:v3.23","exploited":false,"fixed_versions":["1.5.6-r0"],"id":"tcs_01M5NA6ZMATR4GHNYZC2FNME0M","modified_at":"2026-10-23T17:17:55.209222710Z","published_at":"2019-03-27T18:29:00.367Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-12551","https://security.alpinelinux.org/vuln/CVE-2018-12551"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-12551#Alpine:v3.23/mosquitto","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-12551"}],"summary":"When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use a password file for authentication, any malformed data in the password file will be treated as valid. This typically means"}