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    CVE-2026-79750

    MCPHub is a unified hub for centrally managing and dynamically orchestrating multiple MCP servers/APIs into separate endpoints with flexible routing strategies. Prior to version 1.0.30, MCPHub scopes non-admin users to servers they own (list views and config edits enforce ownership), but the tool-execution API does not. Any authenticated non-admin user can invoke tools on MCP servers owned by other users — servers they cannot even see in GET /api/servers. Because connected MCP servers carry real capability (filesystem, HTTP fetch, cloud APIs with the owner's keys), this is cross-tenant compromise: demonstrated arbitrary host file read (/etc/passwd, another user's secrets) and SSRF. This issue has been patched in version 1.0.30.

    Published:Aug 31, 2026
    Last Modified:Sep 2, 2026
    EPS:Aug 31, 2026
    EPSS Score:0.00253
    CVSS Score:7.7

    Affected Products

    Vendor
    Samanhappy
    Product
    Mcphub

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-79746 (CVSS 8.1) — MCPHub is a unified hub for centrally managing and dynamically orchestrating multiple MCP servers/APIs into se…
    CVE-2026-79747 (CVSS 7.1) — MCPHub is a unified hub for centrally managing and dynamically orchestrating multiple MCP servers/APIs into se…
    CVE-2026-79748 (CVSS 9.9) — MCPHub is a unified hub for centrally managing and dynamically orchestrating multiple MCP servers/APIs into se…
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    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