CVE-2026-47089: Cyrus IMAP 0 to before 3.12.3

CVE-2026-47089. CVSS 3.1 base score 4.3 (MEDIUM, Vendor/CNA). EPSS 0.00281 (percentile 0.19563), scored 24-Oct-2026.

Affected technology

Cyrus IMAP · 0 to before 3.12.3
cyrusimap

Description’s affected range: through 3.12.2

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An authenticated user could call IMAP LISTRIGHTS against any mailbox they could name and learn what principals had what access to it. (This action should have been restricted to users with admin access on the target mailbox.). Vendor/CNA’s CVSS 3.1 assessment (base score 4.3/10) rates confidentiality impact as low; integrity and availability impact as none.

Published 25-Oct-2026 01:31 UTC

CWE: CWE-862
CCR priority: 17.3 /100 (P5)
CVSS 3.1: 4.3 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N · Vendor/CNA
EPSS: 0.00281 · percentile 0.19563 · 2026-10-24
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-47089.html