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CVE-2026-47084

MEDIUM
6.5
CVSS Score
Published: July 16, 2026 at 12:00 AM UTC
Updated: October 24, 2026 at 08:10 PM UTC
2 products affected across 1 vendorCyrusimapCyrus IMAP

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cyrusimap· Cyrusimap
95%
v < 3.12.3
Affected range stops below 3.12.3, so it looks safe — our inference, not a vendor statement
Cyrus IMAP· Cyrusimap
90%
0 ≤ v < 3.12.30
Affected range stops below 3.12.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://www.cyrusimap.org/imap/download/release-notes/index.html
Source: cverecord
https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMmitre
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-863

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