PT-2026-89136 · Cyrusimap · Cyrus Imap

CVE-2026-61909

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Published

2026-09-09

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Updated

2026-09-09

CVSS v3.1

3.5

Low

VectorAV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
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.

Fix

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Weakness Enumeration

Related Identifiers

CVE-2026-61909

Affected Products

Cyrus Imap