GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-73708 (GCVE-0-2026-73708)

Vulnerability from cvelistv5 – Published: 2026-09-01 19:46 – Updated: 2026-09-02 15:25
VLAI
Title
Fault in Business Logic allows Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer
Summary
A business logic vulnerability exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to obtain elevated privileges and modify settings beyond what is authorized by the user's existing privilege level on a vulnerable system.
Severity
8.3 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-02 15:24 UTC
CWE
  • CWE-863 - Incorrect Authorization
Assigner
References
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.
Credits
This vulnerability was discovered by internal security research at HPE Networking.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-73708",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-02T15:24:54.943606Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-863",
                "description": "CWE-863 Incorrect Authorization",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-02T15:25:18.439Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "Fabric Composer",
          "vendor": "Hewlett Packard Enterprise (HPE)",
          "versions": [
            {
              "lessThanOrEqual": "7.3.3",
              "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": [
        {
          "lang": "en",
          "value": "A business logic vulnerability exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to obtain elevated privileges and modify settings beyond what is authorized by the user\u0027s existing privilege level on a vulnerable system."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 8.3,
            "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:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-01T20:24:22.149Z",
        "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": "Fault in Business Logic allows Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "eb103674-0d28-4225-80f8-39fb86215de0",
    "assignerShortName": "hpe",
    "cveId": "CVE-2026-73708",
    "datePublished": "2026-09-01T19:46:31.618Z",
    "dateReserved": "2026-08-13T16:35:39.127Z",
    "dateUpdated": "2026-09-02T15:25:18.439Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-73708",
      "date": "2026-09-03",
      "epss": "0.00256",
      "percentile": "0.17022"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-73708\",\"sourceIdentifier\":\"security-alert@hpe.com\",\"published\":\"2026-09-01T20:17:18.190\",\"lastModified\":\"2026-09-02T16:17:20.493\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A business logic vulnerability exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to obtain elevated privileges and modify settings beyond what is authorized by the user\u0027s existing privilege level on a vulnerable system.\"}],\"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:L\",\"baseScore\":8.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.8,\"impactScore\":5.5}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-09-02T15:24:54.943606Z\",\"id\":\"CVE-2026-73708\",\"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\"]}]}}",
    "vulnrichment": {
      "containers": "{\"cna\": {\"title\": \"Fault in Business Logic allows Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer\", \"source\": {\"advisory\": \"HPESBNW05133\", \"discovery\": \"INTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"This vulnerability was discovered by internal security research at HPE Networking.\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Hewlett Packard Enterprise (HPE)\", \"product\": \"Fabric Composer\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.0.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"7.3.3\"}], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us\u0026docLocale=en_US\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A business logic vulnerability exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to obtain elevated privileges and modify settings beyond what is authorized by the user\u0027s existing privilege level on a vulnerable system.\"}], \"providerMetadata\": {\"orgId\": \"eb103674-0d28-4225-80f8-39fb86215de0\", \"shortName\": \"hpe\", \"dateUpdated\": \"2026-09-01T20:24:22.149Z\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-73708\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-02T15:24:54.943606Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-863\", \"description\": \"CWE-863 Incorrect Authorization\"}]}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2026-09-02T15:25:04.964Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-73708\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-01T20:24:22.149Z\", \"dateReserved\": \"2026-08-13T16:35:39.127Z\", \"assignerOrgId\": \"eb103674-0d28-4225-80f8-39fb86215de0\", \"datePublished\": \"2026-09-01T19:46:31.618Z\", \"assignerShortName\": \"hpe\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.