Product by Modelcontextprotocol

    Ruby-sdk

    6 known vulnerabilities in Ruby-sdk (Modelcontextprotocol), 0 of them actively exploited (CISA KEV).

    Key figures

    6

    Vulnerabilities

    0

    Actively exploited (KEV)

    0

    Used by ransomware

    0

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in Ruby-sdk (Modelcontextprotocol)
    HighCVE-2026-67432

    Modelcontextprotocol Ruby-sdk: Allocation of Resources Without Limits or Throttling

    		7.5
    HighCVE-2026-67431

    MCP Ruby SDK: Ruby SSE Session Poisoning

    		—
    HighCVE-2026-33946

    MCP Ruby SDK: Insufficient Session Binding Allows SSE Stream Hijacking via Session ID Replay

    also in 1 other product

    		5.9
    MediumCVE-2026-63118

    MCP Ruby SDK: Streamable HTTP transport lacks DNS-rebinding (Host/Origin) protection

    		—
    MediumCVE-2026-67430

    Modelcontextprotocol Ruby-sdk: Missing Release of Memory after Effective Lifetime

    		5.3
    MediumCVE-2026-63119

    MCP Ruby SDK: Unbounded line buffer in stdio transports leads to memory exhaustion (DoS)

    		6.2

    All products by Modelcontextprotocol