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CVE-2026-61907 Details

ANALYZED

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

Description

An issue was discovered in Cyrus IMAP before 3.12.4. JMAP snooze bypasses the destination-mailbox ACL. An authenticated user with insert permissions on another user's snoozed mailbox could cause insertion of mail to that user's inbox, or any other of their mailboxes whose id was known to the user, despite having no insert permissions to the target 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:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://cyrusimap.org	[email protected]	Vendor
https://www.cyrusimap.org/3.12/imap/download/release-notes/3.10/x/3.10.4.html	[email protected]	BundleRelease NotesVendor
https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.4.html	[email protected]	BundleRelease NotesVendor
https://www.cyrusimap.org/3.12/imap/download/release-notes/3.8/x/3.8.8.html	[email protected]	Release NotesVendor

Weakness Enumeration

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

Affected Products

Product	Versions
Cyrus IMAP	< 3.12.4 (semver)
CPE cpe:2.3:a:cyrus:imap:::::::: cpe:2.3:a:cyrusimap:cyrus_imap:::::::: Remediation Upgrade: 3.12.4moderate efforthttps://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-3.12.4/cyrus-imapd-3.12.4.tar.gz

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 14, 2026	CVE Modified	CISA-ADP
Sep 9, 2026	New CVE Received	[email protected]