CVE-2026-54800

No fix known EPSS <1%CVSS 4.8

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.

Published 2026-07-09 · CVE record · OSV

Products: Siemens CPCI85 Central Processing/Communication, Siemens SICORE Base system