Serial number: AV26-303
Date: March 31, 2026
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.
![[Control systems] ABB security advisory (AV26-303)](https://canadiancyberwatch.ca/wp-content/uploads/2026/03/cyber-open-graph-1024x538.jpg)