CVE-2026-47082
5.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| cyrusimap | Cyrus IMAP | 0 < 3.12.3 | affected |
Weaknesses
- CWE-863: CWE-863 Incorrect Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://www.cyrusimap.org/imap/download/release-notes/index.html
- https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html
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