CVE-2026-47088: Cyrus IMAP 0 to before 3.12.3

CVE-2026-47088. CVSS 3.1 base score 3.1 (LOW, Vendor/CNA). EPSS 0.00265 (percentile 0.17485), 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 IMAP user could craft an email message containing an RFC 822 comment ending with a backslash. Vendor/CNA’s CVSS 3.1 assessment (base score 3.1/10) rates confidentiality impact as low; integrity and availability impact as none.

Published 25-Oct-2026 01:31 UTC

CWE: CWE-126
CCR priority: 12.5 /100 (P5)
CVSS 3.1: 3.1 /10 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N · Vendor/CNA
EPSS: 0.00265 · percentile 0.17485 · 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-2026-47088.html