CVE-2026-27858 | Open-Xchange OX Dovecot Pro up to 2.3.0/2.4.0/3.1.0 Message resource consumption (adv-2026-0001 / Nessus ID 304117)
A vulnerability labeled as problematic has been found in Open-Xchange OX Dovecot Pro up to 2.3.0/2.4.0/3.1.0. This impacts an unknown function of the component Message Handler. Such manipulation leads to resource consumption.
This vulnerability is documented as CVE-2026-27858. The attack can be executed remotely. There is not any exploit available.
The affected component should be upgraded.