Nextcloud Mail before 1.9.5 suffers from improper access control due to a missing permission check allowing other authenticated users to create mail aliases for other users.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-22896.json"
[ { "events": [ { "introduced": "0" }, { "fixed": "1.9.5" } ] }, { "events": [ { "introduced": "0" }, { "fixed": "1.9.5" } ] } ]