ZDI-CAN-28759 HIGH 8.8 Upcoming Jan 22, 2026

Siemens

Siemens, a major industrial automation and control systems manufacturer, has a high-severity vulnerability (CVSS 8.8) that can be exploited remotely by authenticated users without user interaction, potentially compromising confidentiality, integrity, and availability of affected systems. The vulnerability requires valid credentials but no additional complexity to execute, making it a significant risk for organizations running Siemens industrial software. Security teams should monitor for patches expected by May 2026 and review access controls for Siemens products, particularly in critical infrastructure environments.

Advisory Details
Researcher Discovered by: Rocco Calvi (@TecR0c) with TecSecurity
Reported January 22, 2026
Deadline May 22, 2026 35d
CVSS Vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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