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CVE-2026-49353

🗓️ 15 Jul 2026 20:49:15Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 42 Views🌐 WEB

CVE-2026-49353: 9Router bypass via Host header spoofing exposes /api/mcp/*, /api/tunnel/*, /api/cli-tools/*.

Related
Detection
Affected
Refs
Paths
Vulners
Node
decolua9routerRange0.4.45
[
  {
    "vendor": "decolua",
    "product": "9router",
    "versions": [
      {
        "version": "<= 0.4.45",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
Hostheader/api/mcp/*Local-only access gate using Host and Origin headers to protect MCP endpoints allows header spoofing in reverse proxy/tunnel deployments.CWE-290
Originheader/api/mcp/*Local-only access gate using Host and Origin headers to protect MCP endpoints allows header spoofing in reverse proxy/tunnel deployments.CWE-290
Hostheader/api/tunnel/*Local-only access gate using Host and Origin headers to protect MCP endpoints allows header spoofing in reverse proxy/tunnel deployments.CWE-290
Originheader/api/tunnel/*Local-only access gate using Host and Origin headers to protect MCP endpoints allows header spoofing in reverse proxy/tunnel deployments.CWE-290
Hostheader/api/cli-tools/*Local-only access gate using Host and Origin headers to protect MCP endpoints allows header spoofing in reverse proxy/tunnel deployments.CWE-290
Originheader/api/cli-tools/*Local-only access gate using Host and Origin headers to protect MCP endpoints allows header spoofing in reverse proxy/tunnel deployments.CWE-290

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16 Jul 2026 16:19Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.5
EPSS0.00357
SSVC
42