{"id":"CVE-2026-47083","aliases":["DEBIAN-CVE-2026-47083","EUVD-2026-45006","GHSA-7m4j-qx5p-343w","UBUNTU-CVE-2026-47083","openSUSE-SU-2026:21368-1"],"status":"published","title":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an ESEARCH cross...","description":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an ESEARCH cross-user content oracle. By using the ESEARCH command, an authenticated IMAP user could enumerate folder names under any account they could name. Search would return UIDs of messages matching the search, creating a content oracle (without allowing arbitrary reads of the target's content).","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00306,"percentile":0.23643,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-204"],"published":"2026-07-16T00:00:00Z","modified":"2026-10-25T09:47:28Z","fixes":[{"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"}]}],"versions":["3.10.0-1","3.10.0~beta1-1","3.10.0~beta1-2","3.10.0~beta1-3","3.10.0~beta2-1","3.10.0~rc2-1","3.10.1-1","3.10.1-2","3.10.1-3","3.10.1-3~bpo12+1","3.10.2-1","3.10.2-1~bpo12+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","3.12.3-1~bpo13+1","3.12.3-2","3.12.3-3","3.12.3-4","3.12.4-1","3.6.1-4","3.6.1-4+deb12u1","3.6.1-4+deb12u2","3.6.1-4+deb12u3","3.6.1-4+deb12u4","3.6.1-4+deb12u5","3.8.0-1","3.8.0-2","3.8.0-3","3.8.0-4","3.8.0-5","3.8.0~beta1-1","3.8.0~beta2-1","3.8.0~rc1-1","3.8.1-1","3.8.1-1~bpo12+1","3.8.1-2","3.8.1-3","3.8.2-1","3.8.3-1","3.8.4-1"]},{"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-2026-47083"},{"url":"https://github.com/advisories/GHSA-7m4j-qx5p-343w"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-47083","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-47083","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-47083","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-2026-47083","description":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an ESEARCH cross-user content oracle. By using the ESEARCH command, an authenticated IMAP user could enumerate folder names under any account they could name. Search would return UIDs of messages matching the search, creating a content oracle (without allowing arbitrary reads of the target's content).","status":"published","published":"2026-07-16T00:00:00Z","modified":"2026-07-16T18:51:53.806Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T13:36:51.6229Z"}],"euvd":[{"id":"EUVD-2026-45006","description":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an ESEARCH cross-user content oracle. By using the ESEARCH command, an authenticated IMAP user could enumerate folder names under any account they could name. Search would return UIDs of messages matching the search, creating a content oracle (without allowing arbitrary reads of the target's content).","status":"published","published":"2026-07-16T00:00:00Z","modified":"2026-07-16T18:51:53Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:19:51.364603Z"}],"ghsa":[{"id":"GHSA-7m4j-qx5p-343w","title":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an ESEARCH cross...","description":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an ESEARCH cross-user content oracle. By using the ESEARCH command, an authenticated IMAP user could enumerate folder names under any account they could name. Search would return UIDs of messages matching the search, creating a content oracle (without allowing arbitrary reads of the target's content).","status":"published","published":"2026-07-16T21:30:35Z","modified":"2026-07-16T21:30:40Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T15:09:34.599528Z"}],"nvd":[{"id":"CVE-2026-47083","description":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an ESEARCH cross-user content oracle. By using the ESEARCH command, an authenticated IMAP user could enumerate folder names under any account they could name. Search would return UIDs of messages matching the search, creating a content oracle (without allowing arbitrary reads of the target's content).","status":"published","published":"2026-07-16T19:16:48.85Z","modified":"2026-10-24T20:10:00.137Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T14:12:30.250437Z"}],"osv":[{"id":"DEBIAN-CVE-2026-47083","description":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an ESEARCH cross-user content oracle. By using the ESEARCH command, an authenticated IMAP user could enumerate folder names under any account they could name. Search would return UIDs of messages matching the search, creating a content oracle (without allowing arbitrary reads of the target's content).","status":"published","published":"2026-07-16T19:16:48.85Z","modified":"2026-10-25T09:47:28.673877857Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:56.444225Z"},{"id":"UBUNTU-CVE-2026-47083","description":"An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an ESEARCH cross-user content oracle. By using the ESEARCH command, an authenticated IMAP user could enumerate folder names under any account they could name. Search would return UIDs of messages matching the search, creating a content oracle (without allowing arbitrary reads of the target's content).","status":"published","published":"2026-07-16T19:16:00Z","modified":"2026-10-17T12:55:49.025885823Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","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"}]}}