{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-44001",
    "assignerOrgId": "00000000-0000-4000-9000-000000000000",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "00000000-0000-4000-9000-000000000000"
      },
      "title": "Session bootstrap token bypass in Nimbus Gateway administrative API",
      "descriptions": [
        {
          "lang": "en",
          "value": "A bootstrap token issued during appliance initialization remained valid after the setup workflow completed. The administrative API failed to bind the token to the initialization state, so a replayed request restored a privileged setup session and exposed management actions intended only for first-run use."
        }
      ],
      "affected": [
        {
          "vendor": "Nimbus Networks",
          "product": "Nimbus Gateway",
          "versions": [
            {
              "version": "Nimbus Gateway 4.2.0 through 4.2.8",
              "status": "affected"
            }
          ],
          "defaultStatus": "unknown"
        }
      ],
      "references": [
        {
          "name": "VAPT writeup",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://research.vapt.com/writeups/nimbus-gateway-session-bypass"
        },
        {
          "name": "Vendor advisory",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://nimbus.example/security/advisories/bootstrap-session-fix"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Maya Overflow"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "baseScore": 9.4,
            "baseSeverity": "CRITICAL"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "CWE-287",
              "lang": "en"
            },
            {
              "description": "Improper Authentication",
              "lang": "en"
            }
          ]
        }
      ]
    }
  }
}