๐Ÿ” CVE Alert

CVE-2026-47082

MEDIUM 5.4
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-863
Vendor cyrusimap
Product cyrus imap
Published Jul 16, 2026
Last Updated Jul 16, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

Affected Versions

cyrusimap / Cyrus IMAP
0 < 3.12.3

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
cyrusimap.org: https://www.cyrusimap.org/imap/download/release-notes/index.html cyrusimap.org: https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html