CVE-2026-47084: Cyrusimap Cyrus Imap

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The LOCALDELETE command bypassed ACL checks. An authenticated but non-admin user could invoke the admin-only LOCALDELETE IMAP command and delete mailboxes for which they had no permissions.

Affected products

• Cyrusimap Cyrus Imap: before 3.12.3 (fixed in 3.12.3)

Published 2026-07-16. Last modified 2026-07-17.