CVE-2026-47082

cyrus-imapd: An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2

CVE-2026-47082 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.

Routine
CVSS
5.4
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0030
22nd percentile

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The vacation "fcc" feature skips the destination-mailbox ACL. A user whose vacation Sieve script used :fcc (to save a copy of the sent message) could deliver vacation auto-reply copies into any mailbox the script could name, regardless of whether the script owner had insert permissions on the destination mailbox.

Where it's fixed

ProductFixed inFixReleased
Linux
cyrus-imapd · Debian 12.15 (bookworm) 3.6.1-4+deb12u5 DEBIAN-CVE-2026-47082 Jul 22, 2026
cyrus-imapd · Debian 13.5 (trixie) 3.10.2-1+deb13u2 DEBIAN-CVE-2026-47082 Jul 22, 2026
cyrus-imapd · Debian 14 3.12.3-1 DEBIAN-CVE-2026-47082 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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