[Control systems] CISA ICS security advisories (AV26–556)

Serial number: AV26–556
Date: June 8, 2026

Between June 1 and 7, 2026, CISA published ICS advisories to address vulnerabilities in the following products:

• B&R Industrial Automation GmbH PPT30 Operating System – versions prior to 1.8.0
• Hitachi Energy ITT600 Explorer – version prior to 2.1 SP6
• Hitachi Energy MACH HiDraw – version 9.22 and prior
• Hitachi Energy RTU500 – multiple versions
• NAVTOR NavBox – version 4.16.1.20

The Cyber Centre encourages users and administrators to review the provided web link, perform the suggested mitigations and apply the necessary updates if available.

• CISA ICS Advisories