PT-2026-60550 · Cyrusimap · Cyrus Imap

CVE-2026-47082 · Published 2026-07-16 · Updated 2026-07-16

NVD

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

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.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2026-47082

Affected Products

Cyrus Imap

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-47082 · Security Note
• https://cyrusimap.org/imap/download/release-notes/index.html · Note
• https://cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html · Note