[Control systems] ABB security advisory (AV26-303)

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        <div><p><strong>Serial number: </strong>AV26-303<br /><strong>Date: </strong>March&nbsp;31, 2026</p>

On March 31, 2026, ABB published a security advisory to address vulnerabilities in the following product:

  • ABB 800xA History – version 7.0 and prior
  • ABB Batch Management – version 6.2 and prior
  • ABB Production Response Batch History – version 6.2 and prior
  • ABB 800xA for Symphony Plus Harmony – version 6.2 and prior
  • ABB 800xA for AC 870P Melody – version 6.2 and prior
  • ABB Application Change Management – version 6.2 and prior

The Cyber Centre encourages users and administrators to review the provided web links and perform the suggested mitigations.

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Article Link: [Control systems] ABB security advisory (AV26-303) - Canadian Centre for Cyber Security