CVE-2026-73702 (GCVE-0-2026-73702)

Vulnerability from cvelistv5 – Published: 2026-09-01 19:32 – Updated: 2026-09-01 20:24
VLAI
Title
Authenticated Privilege Escalation Vulnerability in the API of HPE Networking Fabric Composer
Summary
A privilege escalation vulnerability exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to escalate their permissions to those of an administrative user, leading to complete system compromise.
Assigner
Impacted products
Vendor Product Version CPE status
Hewlett Packard Enterprise (HPE) Fabric Composer Affected: 7.0.0 , ≤ 7.3.3 (semver)
guessed Create a notification for this product.
Show details on NVD website

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  "containers": {
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        {
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          "product": "Fabric Composer",
          "vendor": "Hewlett Packard Enterprise (HPE)",
          "versions": [
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              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "This vulnerability was discovered by internal security research at HPE Networking."
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "A privilege escalation vulnerability exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to escalate their permissions to those of an administrative user, leading to complete system compromise."
        }
      ],
      "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"
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          "scenarios": [
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      "providerMetadata": {
        "dateUpdated": "2026-09-01T20:24:17.535Z",
        "orgId": "eb103674-0d28-4225-80f8-39fb86215de0",
        "shortName": "hpe"
      },
      "references": [
        {
          "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us\u0026docLocale=en_US"
        }
      ],
      "source": {
        "advisory": "HPESBNW05133",
        "discovery": "INTERNAL"
      },
      "title": "Authenticated Privilege Escalation Vulnerability in the API of HPE Networking Fabric Composer",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "eb103674-0d28-4225-80f8-39fb86215de0",
    "assignerShortName": "hpe",
    "cveId": "CVE-2026-73702",
    "datePublished": "2026-09-01T19:32:23.527Z",
    "dateReserved": "2026-08-13T16:35:39.126Z",
    "dateUpdated": "2026-09-01T20:24:17.535Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-73702",
      "date": "2026-09-02",
      "epss": "0.00328",
      "percentile": "0.25431"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-73702\",\"sourceIdentifier\":\"security-alert@hpe.com\",\"published\":\"2026-09-01T20:17:17.557\",\"lastModified\":\"2026-09-02T16:17:19.780\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A privilege escalation vulnerability exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to escalate their permissions to those of an administrative user, leading to complete system compromise.\"}],\"affected\":[{\"source\":\"security-alert@hpe.com\",\"affectedData\":[{\"vendor\":\"Hewlett Packard Enterprise (HPE)\",\"product\":\"Fabric Composer\",\"defaultStatus\":\"affected\",\"versions\":[{\"version\":\"7.0.0\",\"lessThanOrEqual\":\"7.3.3\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-alert@hpe.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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-09-02T15:12:48.318426Z\",\"id\":\"CVE-2026-73702\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-863\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-863\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:arubanetworks:fabric_composer:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"7.3.4\",\"matchCriteriaId\":\"E34E933B-FAAD-41AB-8FC3-0368FF82F047\"}]}]}],\"references\":[{\"url\":\"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us\u0026docLocale=en_US\",\"source\":\"security-alert@hpe.com\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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