cyrus-imapd: An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2
CVE-2026-47086 is fixed in 13 products on 1 platform, first by OPENSUSE-SU-2026:21368-1, released July 17, 2026. It is not reported as exploited. Patch Radar priority: Routine.
An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can bypass ACLs. Any authenticated user could mint a URLAUTH token (via the GENURLAUTH command) for any mailbox they could name, even without read access on it. This would allow reading mail from mailboxes despite having no granted permissions.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| cyrus-imapd · Debian 12.15 (bookworm) | 3.6.1-4+deb12u5 | DEBIAN-CVE-2026-47086 | Jul 22, 2026 |
| cyrus-imapd · Debian 13.5 (trixie) | 3.10.2-1+deb13u2 | DEBIAN-CVE-2026-47086 | Jul 22, 2026 |
| cyrus-imapd · Debian 14 | 3.12.3-1 | DEBIAN-CVE-2026-47086 | Jul 22, 2026 |
| cyrus-imapd · Fedora 43 | 3.10.4-1.fc43 | FEDORA-2026-97A7EC5786 | Sep 14, 2026 |
| cyrus-imapd · opensuse-leap 16.0 | 3.8.7-bp160.1.1 | OPENSUSE-SU-2026:21368-1 | Jul 17, 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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