CVE-2026-61907

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Summary

CVECVE-2026-61907
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-09 19:17:28 UTC
Updated2026-09-09 20:11:44 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Problem Types: CWE-863 | CWE-863 CWE-863 Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1CNACVSS4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Cyrusimap Cyrus IMAP affected 3.8.8 semver Not specified
CNA Cyrusimap Cyrus IMAP affected 3.9.0 3.10.4 semver Not specified
CNA Cyrusimap Cyrus IMAP affected 3.11.0 3.12.4 semver Not specified

References

ReferenceSourceLinkTags
www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.4.html [email protected] www.cyrusimap.org
cyrusimap.org [email protected] cyrusimap.org
www.cyrusimap.org/3.12/imap/download/release-notes/3.8/x/3.8.8.html [email protected] www.cyrusimap.org
www.cyrusimap.org/3.12/imap/download/release-notes/3.10/x/3.10.4.html [email protected] www.cyrusimap.org
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