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    CVE-2026-26335

    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.

    Published:Feb 13, 2026
    Last Modified:Apr 17, 2026
    EPS:Feb 13, 2026
    EPSS Score:0.00123
    CVSS Score:9.8

    Affected Products

    Vendor
    Calero
    Product
    Verasmart

    Exploits

    https://www.exploit-db.com/exploits/52540https://github.com/mbanyamer/CVE-2026-26335-Calero-VeraSMART-RCE

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High