Low severity3.5NVD Advisory· Published Sep 9, 2026· Updated Sep 16, 2026
CVE-2026-61909
CVE-2026-61909
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Range: <3.12.4
- Range: <3.12.4
Patches
Vulnerability mechanics
References
4- cyrusimap.orgnvdProduct
- www.cyrusimap.org/3.12/imap/download/release-notes/3.10/x/3.10.4.htmlnvdRelease Notes
- www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.4.htmlnvdRelease Notes
- www.cyrusimap.org/3.12/imap/download/release-notes/3.8/x/3.8.8.htmlnvdRelease Notes
News mentions
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