CVE-2026-61909

medium Red Hat
CVSS v3 Base Score
5.0
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Published: September 10, 2026 (1 days ago)
Last Modified: September 10, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in cyrus-imapd. An authenticated DAV (Distributed Authoring and Versioning) user with some shared access to another user's calendar or address book could read unshared events or contacts. This information disclosure occurs by including specific resource identifiers in a calendar-multiget or addressbook-multiget REPORT, bypassing intended access controls.

CWE

CWE-420

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov