{"action":"Upgrade dovecot to 1:2.4.1+dfsg1-6+deb13u4 or later.","affected":[{"fixed":"1:2.4.1+dfsg1-6+deb13u4","introduced":"0"}],"component":"dovecot","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:2.4.1+dfsg1-6+deb13u4"],"id":"tcs_01M5NR491BFNSJRGG4E42JF1BH","modified_at":"2026-10-27T09:47:32.257476306Z","published_at":"2026-03-27T09:16:19.447Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-24031","https://security-tracker.debian.org/tracker/CVE-2026-24031"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-24031","url":"https://osv.dev/vulnerability/DEBIAN-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"}