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CVE-2026-26335 – Calero VeraSMART < 2022 R1 Static IIS Machine Keys Enable ViewState RCE

Posted on February 13, 2026
CVE ID : CVE-2026-26335

Published : Feb. 13, 2026, 9:16 p.m. | 45 minutes ago

Description : Calero VeraSMART versions prior to 2022 R1 use static ASP.NET/IIS machineKey values configured for the VeraSMART web application and stored in C:\Program Files (x86)\Veramark\VeraSMART\WebRoot\web.config. An attacker who obtains these keys can craft a valid ASP.NET ViewState payload that passes integrity validation and is accepted by the application, resulting in server-side deserialization and remote code execution in the context of the IIS application.

Severity: 9.3 | CRITICAL

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