4.3

CVE-2026-61909

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cyrus ≫ Imap Version < 3.8.8
Cyrus ≫ Imap Version >= 3.9.0 < 3.10.4
Cyrus ≫ Imap Version >= 3.11.0 < 3.12.4
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.2% 0.105
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 4.3 2.8 1.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
MITRE 3.5 1.8 1.4
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
CWE-420 Unprotected Alternate Channel

The product protects a primary channel, but it does not use the same level of protection for an alternate channel.

https://cyrusimap.org
Product
https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.4.html
Release Notes
https://www.cyrusimap.org/3.12/imap/download/release-notes/3.10/x/3.10.4.html
Release Notes
https://www.cyrusimap.org/3.12/imap/download/release-notes/3.8/x/3.8.8.html
Release Notes