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CVE-2026-47082 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The vacation "fcc" feature skips the destination-mailbox ACL. A user whose vacation Sieve script used :fcc (to save a copy of the sent message) could deliver vacation auto-reply copies into any mailbox the script could name, regardless of whether the script owner had insert permissions on the destination mailbox.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CNA: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html	[email protected]	BundleRelease NotesVendor
https://www.cyrusimap.org/imap/download/release-notes/index.html	[email protected]	Vendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-863	Incorrect Authorization	[email protected]

Affected Products

Product	Versions
Cyrus IMAP	<= 3.12.2 (semver)
CPE cpe:2.3:a:cyrus:imap:::::::: cpe:2.3:a:cyrusimap:cyrus_imap:::::::: Remediation Upgrade: 3.12.3moderate efforthttps://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-3.12.3/cyrus-imapd-3.12.3.tar.gz

Change History

2 change records found show changes

Date	Action	Recorded By
Jul 16, 2026	New CVE Received	[email protected]
Jul 16, 2026	CVE Modified	CISA-ADP