Medium severity4.3NVD Advisory· Published Jul 16, 2026· Updated Jul 17, 2026
CVE-2026-47089
CVE-2026-47089
Description
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 products
2- Range: <=3.12.2
Patches
Vulnerability mechanics
References
2News mentions
1- Cyrus IMAP: Nine Access Control and Auth Bypass Vulnerabilities Disclosed TogetherVypr Intelligence · Jul 17, 2026