CVE-2026-40016 | Open-Xchange OX Dovecot Pro up to 2.3.0 ManageSieve Service resource consumption (adv-2026-0002 / EUVD-2026-29470)

A vulnerability, which was classified as problematic, has been found in Open-Xchange OX Dovecot Pro up to 2.3.0. This affects an unknown part of the component ManageSieve Service. The manipulation leads to resource consumption.

This vulnerability is referenced as CVE-2026-40016. Remote exploitation of the attack is possible. No exploit is available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More