CVE-2026-47084 | An issue was discovered in cyrus-imapd in Cyrus IMAP through… | CVSS 6.5 MEDIUM

Description

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The LOCALDELETE command bypassed ACL checks. An authenticated but non-admin user could invoke the admin-only LOCALDELETE IMAP command and delete mailboxes for which they had no permissions.

Metadata

CVE ID: CVE-2026-47084
State: PUBLISHED
Assigner: mitre
Reserved: 2026-05-18 00:00 UTC
Published: 2026-07-16 00:00 UTC
Last updated: 2026-07-16 18:53 UTC
Primary CWE: CWE-863
CWE-863 Incorrect Authorization
Vendor / Product: cyrusimap / Cyrus IMAP
Sources: cve.org · NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
cyrusimap	Cyrus IMAP	—	0 < 3.12.3

Weakness (CWE)

CWE	Source	Description
CWE-863	cna	CWE-863 Incorrect Authorization

CVSS scores (1)

Score	Severity	Version	Source	Vector
6.5	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References (2)