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Cisco Unified Communications Manager WebDialer SSRF → Arbitrary File Write → Root (CVE-2026-20230) KEV EPSS 88%
CVE-2026-20230 (cisco-sa-cucm-ssrf-cXPnHcW) network Patched
CVE-2026-20230networkCRITICAL 8.6Patched2026-07-19