CISA KEV: CVE-2026-20230 — Cisco Unified Communications Manager actively exploited

Cisco Unified Communications Manager Server-Side Request Forgery (SSRF) Vulnerability. Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) contain a server-side request forgery (SSRF) Vulnerability that could allow an unauthenticated, remote attacker to write files to the underlying operating system that could be used later to elevate to root. Required action: Apply mitigations in accordance with vendor instructio