CVE-2026-47087: Cyrusimap Cyrus Imap

Low severity, CVSS 3.5. 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. URLAUTH does not honor revoked authorizer access. A URLAUTH URL minted while the authorizer had access continued to work after that access was revoked.

Affected products

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

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