Upstream information

CVE-2026-61911 at MITRE

Description

An issue was discovered in Cyrus IMAP before 3.12.4. There is a Sieve mailbox existence oracle. An authenticated user could install a Sieve script that probed whether another user's private mailbox existed, or read the value of shared mailbox annotations, by observing which fileinto branch fired during LMTP delivery.

SUSE information

Overall state of this security issue: Revisit

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail CNA (MITRE)
Base Score 4.3
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact None
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1279978 [NEW]

No SUSE Security Announcements cross referenced.

SUSE Timeline for this CVE

CVE page created: Thu Sep 10 17:49:33 2026
CVE page last modified: Thu Sep 10 20:59:38 2026