CVE-2026-47089: Medium severity Cyrus cyrus-imapd vulnerability

Published Jul 16, 2026
·
Updated

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. LISTRIGHTS os not limited to users with admin access. An authenticated user could call IMAP LISTRIGHTS against any mailbox they could name and learn what principals had what access to it. (This action should have been restricted to users with admin access on the target mailbox.)

Affected Software

1 affected component
Cyrus cyrus-imapd<=3.12.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade cyrus-imapd to a version that resolves this vulnerability.

    Fixed in 3.12.2

Event History

Jul 16, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeakness
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