Is CVE-2026-54800 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-54800?

CVE-2026-54800 has a CVSS v3 severity of MEDIUM (4.8).

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CVE-2026-54800

Description

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application ships with a default configuration that disables all OPC UA security mechanisms. This could allow an attacker to gain unauthorized access and control over critical system functions.