{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5e1c1261368e06dced1cbc650684561b2c8844db"
            },
            {
              "fixed": "bb86808582067e4fc6f004508a919efb9970d1d5"
            },
            {
              "fixed": "e1db49190a0352a2a93e2269bdba0ff09acb9e3b"
            }
          ],
          "repo": "https://github.com/decolua/9router",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-6g2f-w7g3-77vf"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-290"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49353.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "last_affected": "0.4.45"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "9Router is an AI router \u0026 token saver. In 0.4.45 and earlier, 9Router's src/dashboardGuard.js local-only access gate used Host and Origin headers in isLocalRequest() to protect /api/mcp/*, /api/tunnel/*, and /api/cli-tools/*, allowing header spoofing in reverse proxy or tunnel deployments to reach MCP child process stdin paths.",
  "id": "CVE-2026-49353",
  "modified": "2026-07-18T03:42:04.550508752Z",
  "published": "2026-07-15T20:49:15.693Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/decolua/9router/releases/tag/v0.4.46"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49353.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/decolua/9router/security/advisories/GHSA-6g2f-w7g3-77vf"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49353"
    },
    {
      "type": "FIX",
      "url": "https://github.com/decolua/9router/commit/5e1c1261368e06dced1cbc650684561b2c8844db"
    },
    {
      "type": "FIX",
      "url": "https://github.com/decolua/9router/commit/bb86808582067e4fc6f004508a919efb9970d1d5"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "9Router: Local-Only Access Gate Bypass in 9router via Host Header SpoofING"
}