{"action":"Upgrade dovecot to 2.4.3-r0 or later.","affected":[{"fixed":"2.4.3-r0","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["2.4.3-r0"],"id":"tcs_01M5NFKX6N3D8QRW7QM05EDDH2","modified_at":"2026-10-01T02:17:49.212656480Z","published_at":"2026-03-27T09:16:19.447Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-24031","https://security.alpinelinux.org/vuln/CVE-2026-24031"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-24031","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-24031"}],"summary":"Dovecot SQL based authentication can be bypassed when auth_username_chars is cleared by admin. This vulnerability allows bypassing authentication for any user and user enumeration. Do not clear auth_u"}