CVE-2026-40203 | Open-Xchange Dovecot Pro/Dovecot CE IMAP Compression information disclosure (WID-SEC-2026-3076)
A vulnerability identified as problematic has been detected in Open-Xchange Dovecot Pro and Dovecot CE. Affected by this vulnerability is an unknown functionality of the component IMAP Compression. The manipulation leads to information disclosure.
This vulnerability is documented as CVE-2026-40203. The attack can be initiated remotely. There is not any exploit available.