CVE-2026-26335
Critical · 9.8CVSS
9.8
EPSS
2.9%
Published
Feb 13, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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