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

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        <div><p><strong>Serial number: </strong>AV26–556<br /><strong>Date: </strong>June 8, 2026</p>

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.

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Article Link: [Control systems] CISA ICS security advisories (AV26–556) - Canadian Centre for Cyber Security