Cisco security advisory (AV26-491)

Serial number: AV26-491
Date: May 20, 2026

On May 20, 2026, Cisco published security advisories to address vulnerabilities in multiple products. Included was a critical update for the following:

• Cisco Secure Workload – version 3.9 and prior
• Cisco Secure Workload – versions prior to 3.10.8.3
• Cisco Secure Workload – versions prior to 4.0.3.17

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

• Cisco Secure Workload Unauthorized API Access Vulnerability
• Cisco Security Advisories