ThreatsIndustrial & OTCriticalSiemens Siveillance Control Arbitrary File Upload Flaw Grants Unauthenticated Root Access to Physical Security Systems CVE-2026-50093Siemens patches critical CVSS 9.0 flaw CVE-2026-50093 in Siveillance Control OIS web service, enabling unauthenticated remote attackers to obtain root privileges.CST Newsroom·23 Sep 2026, 08:00 IST·15 min read