CVE-2026-47083
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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).
| CWE | CWE-204 |
| Vendor | cyrusimap |
| Product | cyrus imap |
| Published | Jul 16, 2026 |
| Last Updated | Jul 16, 2026 |
Stay Ahead of the Next One
Get instant alerts for cyrusimap cyrus imap
Be the first to know when new medium vulnerabilities affecting cyrusimap cyrus imap are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
cyrusimap / Cyrus IMAP
0 < 3.12.3