medium5.4
CVE-2026-47082
An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cyrus IMAP | Cyrus IMAP | through 3.12.2. |
Versions were read from the advisory text. No structured product data has been published for this record yet.