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CVE-2026-55605

🗓️ 09 Jul 2026 21:10:53Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 13 Views🌐 WEB

CVE-2026-55605: Self-hosted HTTP MCP server exposes unauthenticated session creation

Related
Detection
Affected
Refs
Paths
Vulners
Node
arikusideepseek-mcp-serverRange1.4.21.8.0
[
  {
    "vendor": "arikusi",
    "product": "deepseek-mcp-server",
    "versions": [
      {
        "version": ">= 1.4.2, < 1.8.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
bodyrequest body/mcpUnauthenticated POST /mcp endpoint exposed in self-hosted MCP server allows unauthenticated initialize and session creation.CWE-306

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10 Jul 2026 19:20Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3
EPSS0.00429
SSVC
13