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CVE-2026-47081 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. There is an XAPPLEPUSHSERVICE folder existence oracle and push hijack. An authenticated IMAP user could probe for the existence of arbitrary mailboxes on other users' accounts via the XAPPLEPUSHSERVICE command and then create Apple Push Notification Service notifications for new mail in those mailboxes to their own APNS device. This did not leak any data about the content of mailboxes. Instead, a "mailbox has changed" notice would be pushed when the mailbox modseq changed.

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:L/I:N/A:N

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

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	>= 3.12.0, <= 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