CVE-2026-110021 | Phoenix Contact PLCnext Engineer up to 2026.5 certificate validation

November 4, 2026 Yanac

A vulnerability was found in Phoenix Contact PLCnext Engineer up to 2026.5 and classified as problematic. This impacts an unknown function. The manipulation results in improper certificate validation.

This vulnerability is reported as CVE-2026-110021. The attack can be launched remotely. No exploit exists.

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