{"id":"AZL-81698","summary":"CVE-2026-24031 affecting package dovecot 2.3.20-1","details":"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_username_chars. If this is not possible, install latest fixed version. No publicly available exploits are known.","modified":"2026-09-09T05:27:39Z","published":"2026-03-27T09:16:19Z","upstream":["CVE-2026-24031"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24031"}],"affected":[{"package":{"name":"dovecot","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/dovecot"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.3.20-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-81698.json"}}],"schema_version":"1.9.0"}