cyrus-imapd: An issue was discovered in Cyrus IMAP before 3.12.4
CVE-2026-61907 is fixed in 13 products on 1 platform, first by FEDORA-2026-97A7EC5786, released September 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| cyrus-imapd · Debian 14 | 3.12.4-1 | DEBIAN-CVE-2026-61907 | Sep 17, 2026 |
| cyrus-imapd · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd · opensuse-leap 16.0 | 3.8.8-bp160.1.1 | OPENSUSE-SU-2026:21929-1 | Sep 22, 2026 |
| cyrus-imapd-debuginfo · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-debugsource · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-devel · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-doc-extra · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-libs · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-libs-debuginfo · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-utils · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-utils-debuginfo · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-virusscan · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd-virusscan-debuginfo · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| perl-Cyrus · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| perl-Cyrus-debuginfo · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
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