CVE-2026-61909
LOW
NVD
CVSS Score
3.5
Severity
LOW
Published
Sep 09, 2026
Vendor
unknown
Description
An issue was discovered in Cyrus IMAP before 3.12.4. CalDAV/CardDAV multiget bypasses a per-href ACL. An authenticated DAV user with some shared access to another user's calendar or address book could read even unshared events or contacts by including the target hrefs in a calendar-multiget or addressbook-multiget REPORT.