vulnerability Cisco warns of critical Unified CM flaw with PoC exploit code Cisco has issued a critical security update addressing a vulnerability (CVE-2026-20230) in its Unified Communications Manager (Unified CM) software. This flaw allows attackers to gain root privileges through SSRF attacks, potentially leading to system compromise. While currently unconfirmed, Cisco’s assessment deems th… BleepingComputer · Jun 4, 2026 Critical CVE-2026-20230CVE-2026-20045CVE-2024-20253ssrfprivilege escalationroot access