{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "9router",
          "vendor": "decolua",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.5.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "9Router is an AI router \u0026 token saver. Prior to 0.5.2, 9Router allows a remote authenticated attacker to achieve arbitrary code execution on the host operating system by combining a Host header bypass of localhost-only routes with unvalidated MCP plugin args passed to child_process.spawn(), allowing malicious custom plugins to execute commands through /api/mcp//sse. This issue is fixed in version 0.5.2."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-15T20:53:18.302Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/decolua/9router/security/advisories/GHSA-63p9-g54h-prrp",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/decolua/9router/security/advisories/GHSA-63p9-g54h-prrp"
        },
        {
          "name": "https://github.com/decolua/9router/commit/da667836cc7584bea0edd893de1d590c9ea279dc",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/decolua/9router/commit/da667836cc7584bea0edd893de1d590c9ea279dc"
        },
        {
          "name": "https://github.com/decolua/9router/releases/tag/v0.5.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/decolua/9router/releases/tag/v0.5.2"
        }
      ],
      "source": {
        "advisory": "GHSA-63p9-g54h-prrp",
        "discovery": "UNKNOWN"
      },
      "title": "9Router: Authenticated RCE via Unvalidated MCP Plugin Arguments"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-62312",
    "datePublished": "2026-07-15T20:53:18.302Z",
    "dateReserved": "2026-07-13T19:27:58.314Z",
    "dateUpdated": "2026-07-15T20:53:18.302Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-62312",
      "date": "2026-07-16",
      "epss": "0.00719",
      "percentile": "0.49714"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-62312\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-07-15T21:16:55.810\",\"lastModified\":\"2026-07-16T13:43:05.487\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"9Router is an AI router \u0026 token saver. Prior to 0.5.2, 9Router allows a remote authenticated attacker to achieve arbitrary code execution on the host operating system by combining a Host header bypass of localhost-only routes with unvalidated MCP plugin args passed to child_process.spawn(), allowing malicious custom plugins to execute commands through /api/mcp//sse. This issue is fixed in version 0.5.2.\"}],\"affected\":[{\"source\":\"security-advisories@github.com\",\"affectedData\":[{\"vendor\":\"decolua\",\"product\":\"9router\",\"versions\":[{\"version\":\"\u003c 0.5.2\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-78\"}]}],\"references\":[{\"url\":\"https://github.com/decolua/9router/commit/da667836cc7584bea0edd893de1d590c9ea279dc\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/decolua/9router/releases/tag/v0.5.2\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/decolua/9router/security/advisories/GHSA-63p9-g54h-prrp\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}