CVE-2026-47084

EUVD-2026-45007
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mitreCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 27.57%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
cyrusimapcyrus_imap
𝑥
< 3.12.3
CNA
Debian logo
Debian Releases
Debian Product
Codename
cyrus-imapd
bookworm
vulnerable
bookworm (security)
vulnerable
bullseye
vulnerable
bullseye (security)
vulnerable
forky
3.12.3-2
fixed
sid
3.12.3-3
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
cyrus-imapd
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
Common Weakness Enumeration
References
https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html
https://www.cyrusimap.org/imap/download/release-notes/index.html