[Control systems] ABB security advisory (AV26-039)

[MalBot]

Introduction to Malware Binary Triage (IMBT) Course

Looking to level up your skills? Get 10% off using coupon code: MWNEWS10 for any flavor.

Enroll Now and Save 10%: Coupon Code MWNEWS10

Note: Affiliate link – your enrollment helps support this platform at no extra cost to you.

  <div>
<div>

        <div><p><strong>Serial number: </strong>AV26-039<br /><strong>Date: </strong>January 19, 2026</p>

On January 19, 2026, ABB published security advisories to address vulnerabilities in the following products:

• Automation Studio – versions prior to 6.5
• Automation Runtime – version 6.5.0 and prior
• Automation Runtime – version R4.93 and prior

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

• Automation Studio Insufficient Server Certificate Validation CVE ID: CVE-2025-11043
• B&R Automation Runtime Improper Handling of Flooding conditions on ANSL Server CVE ID: CVE-2025-11044
• ABB Cyber security alerts and notifications

</div>

Article Link: [Control systems] ABB security advisory (AV26-039) - Canadian Centre for Cyber Security