Cisco serves up yet another perfect 10 bug with Secure Workload admin flaw

Cisco has disclosed yet another perfect 10 vulnerability, this time warning that unauthenticated attackers could gain Site Admin privileges in its Secure Workload platform simply by sending crafted API requests to vulnerable systems. The bug, tracked as CVE-2026-20223, earned the full 10.0 CVSS treatment and affects Cisco Secure Workload Cluster Software in both SaaS and on-prem environments. According to Cisco's barebones advisory, the issue boils down to weak validation and authentication chec