Bug 2501456 (CVE-2026-47089) - CVE-2026-47089 cyrus-imapd: Cyrus IMAP: Information disclosure via LISTRIGHTS
Summary: CVE-2026-47089 cyrus-imapd: Cyrus IMAP: Information disclosure via LISTRIGHTS
Keywords:
Status: NEW
Alias: CVE-2026-47089
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2501670
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-16 19:01 UTC by OSIDB Bzimport
Modified: 2026-07-17 04:03 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-07-16 19:01:55 UTC 
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.)
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