{"id":"CVE-2026-47082","aliases":["DEBIAN-CVE-2026-47082","EUVD-2026-45005","GHSA-pwfr-vrq6-chw9","UBUNTU-CVE-2026-47082","openSUSE-SU-2026:21368-1"],"status":"published","title":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The vacation \"fcc\" feature...","description":"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.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00298,"percentile":0.22726,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2026-07-16T00:00:00Z","modified":"2026-10-25T09:47:34Z","fixes":[{"ecosystem":"Debian:12","package":"cyrus-imapd","fixed_in":["3.6.1-4+deb12u5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"cyrus-imapd","fixed_in":["3.10.2-1+deb13u2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"cyrus-imapd","fixed_in":["3.12.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"cyrus-imapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.1-4+deb12u5"}]}],"versions":["3.6.1-4","3.6.1-4+deb12u1","3.6.1-4+deb12u2","3.6.1-4+deb12u3","3.6.1-4+deb12u4"]},{"source":"osv","ecosystem":"Debian:13","package":"cyrus-imapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.2-1+deb13u2"}]}],"versions":["3.10.2-1","3.10.2-1+deb13u1"]},{"source":"osv","ecosystem":"Debian:14","package":"cyrus-imapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.12.3-1"}]}],"versions":["3.10.2-1","3.12.0-1","3.12.0-2","3.12.1-1","3.12.1-2","3.12.1-3","3.12.2-1","3.12.3-1~bpo13+1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"cyrus-imapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.10-3build1","2.5.10-3build2","2.5.10-3ubuntu1","2.5.10-3ubuntu1.1","2.5.10-3ubuntu1.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"cyrus-imapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.11-1","3.0.11-1build1","3.0.12-1","3.0.12-2","3.0.12-2ubuntu2","3.0.12-2ubuntu3","3.0.13-2ubuntu1","3.0.13-3ubuntu1","3.0.13-4ubuntu1","3.0.13-5","3.0.13-5ubuntu0.1~esm1","3.0.13-5ubuntu0.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"cyrus-imapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.6-2build1","3.4.2-2","3.4.2-2build1","3.4.3-2","3.4.3-3","3.4.3-3build2","3.4.3-3ubuntu0.1","3.4.3-3ubuntu0.1+esm1","3.4.3-3ubuntu0.3","3.4.3-3ubuntu0.3+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"cyrus-imapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.8.0-5","3.8.1-1","3.8.1-1build1","3.8.1-1build2","3.8.1-3","3.8.1-3build3","3.8.2-1","3.8.2-1ubuntu0.1~esm1","3.8.2-1ubuntu0.2","3.8.2-1ubuntu0.2+esm1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"cyrus-imapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.12.1-3","3.12.2-1","3.12.2-1build1","3.12.3-3build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"cyrus-imapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.10.2-1","3.12.1-2","3.12.1-2build1","3.12.1-3"]},{"source":"osv","ecosystem":"openSUSE:Leap 16.0","package":"cyrus-imapd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.7-bp160.1.1"}]}],"bundled":9}],"products":[{"vendor":"cyrusimap","product":"cyrus imap"}],"references":[{"url":"https://www.cyrusimap.org/imap/download/release-notes/index.html","tags":["report"]},{"url":"https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47082"},{"url":"https://github.com/advisories/GHSA-pwfr-vrq6-chw9"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-47082","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-47082","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-47082","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1271617","tags":["report"]},{"url":"https://bugzilla.suse.com/1271618","tags":["report"]},{"url":"https://bugzilla.suse.com/1271619","tags":["report"]},{"url":"https://bugzilla.suse.com/1271620","tags":["report"]},{"url":"https://bugzilla.suse.com/1271621","tags":["report"]},{"url":"https://bugzilla.suse.com/1271622","tags":["report"]},{"url":"https://bugzilla.suse.com/1271623","tags":["report"]},{"url":"https://bugzilla.suse.com/1271624","tags":["report"]},{"url":"https://bugzilla.suse.com/1271625","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47081","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47082","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47083","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47084","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47085","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47086","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47087","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47088","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-47089","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-47082","description":"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.","status":"published","published":"2026-07-16T00:00:00Z","modified":"2026-07-16T18:49:27.734Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:36:51.6229Z"}],"euvd":[{"id":"EUVD-2026-45005","description":"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.","status":"published","published":"2026-07-16T00:00:00Z","modified":"2026-07-16T18:49:27Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T18:19:51.364603Z"}],"ghsa":[{"id":"GHSA-pwfr-vrq6-chw9","title":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The vacation \"fcc\" feature...","description":"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.","status":"published","published":"2026-07-16T21:30:35Z","modified":"2026-07-16T21:30:40Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:09:34.599528Z"}],"nvd":[{"id":"CVE-2026-47082","description":"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.","status":"published","published":"2026-07-16T19:16:48.713Z","modified":"2026-10-24T20:10:00.137Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:30.250437Z"}],"osv":[{"id":"DEBIAN-CVE-2026-47082","description":"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.","status":"published","published":"2026-07-16T19:16:48.713Z","modified":"2026-10-25T09:47:34.604859186Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:56.444225Z"},{"id":"UBUNTU-CVE-2026-47082","description":"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.","status":"published","published":"2026-07-16T19:16:00Z","modified":"2026-10-17T13:00:14.513702337Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T16:56:30.797112Z"},{"id":"openSUSE-SU-2026:21368-1","title":"Security update for cyrus-imapd","description":"This update for cyrus-imapd fixes the following issues:\n\nChanges in cyrus-imapd:\n\n- Update to 3.8.7 (bugfix release)\n- CVE-2026-47081: XAPPLEPUSHSERVICE folder existence oracle and push hijack (bsc#1271617)\n- CVE-2026-47083: ESEARCH cross-user content oracle (bsc#1271619)\n- CVE-2026-47082: Vacation \"fcc\" skips destination-mailbox ACL (bsc#1271618)\n- CVE-2026-47084: LOCALDELETE bypassed ACL checks (bsc#1271620)\n- CVE-2026-47085: URLAUTH token forgery via missing mboxkey (bsc#1271621)\n- CVE-2026-47086: GENURLAUTH issued tokens bypassing ACLs (bsc#1271622)\n- CVE-2026-47087: URLAUTH does not honor revoked authorizer access (bsc#1271623)\n- CVE-2026-47088: Heap exposure in nested MIME comment parsing (bsc#1271624)\n- CVE-2026-47089: LISTRIGHTS not limited to users with admin access (bsc#1271625)\n","status":"published","published":"2026-07-17T15:44:26Z","modified":"2026-07-19T13:15:06.586381849Z","updated_at":"2026-11-02T16:58:41.885092Z"}]}}