CVE-2026-61907
mediumAn issue was discovered in Cyrus IMAP before 3.12.4.
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.
CVSS
4.3
4.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Severity source: NVD CVSS v3.1 (cve@mitre.org)
Timeline (UTC)
Published: 2026-09-09 19:17
Modified: 2026-09-14 16:17
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:52 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://cyrusimap.org cve@mitre.org
- https://www.cyrusimap.org/3.12/imap/download/release-notes/3.10/x/3.10.4.html cve@mitre.org
- https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.4.html cve@mitre.org
- https://www.cyrusimap.org/3.12/imap/download/release-notes/3.8/x/3.8.8.html cve@mitre.org
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:52 UTC · record ↗