CVE-2026-40204

A flaw was found in Dovecot. This vulnerability allows an attacker to bypass Access Control List (ACL) restrictions through the lda_mailbox_autocreate feature. This could potentially grant unauthorized access to mailboxes or other restricted resources.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.