Security vulnerabilities from Open-Xchange GmbH

As of 10/22/2026, Open-Xchange GmbH recorded 25 security vulnerabilities in the last 90 days across 2 products, including 6 rated High or above and 0 known exploited vulnerabilities (KEV) that should be prioritized for immediate remediation.

Over the last 90 days, OX Dovecot CE had the most security vulnerabilities in the Open-Xchange GmbH ecosystem, with 25 vulnerabilities—approximately 100% of the provider's total vulnerabilities during this period.