Security vulnerabilities from Roundcube

As of 10/23/2026, Roundcube recorded 27 security vulnerabilities in the last 90 days across 1 products, including 8 rated High or above and 0 known exploited vulnerabilities (KEV) that should be prioritized for immediate remediation.

Over the last 90 days, Webmail had the most security vulnerabilities in the Roundcube ecosystem, with 27 vulnerabilities—approximately 100% of the provider's total vulnerabilities during this period.