Vulnerability-Lookup

CVE-2026-73736 (GCVE-0-2026-73736)

Vulnerability from cvelistv5 – Published: 2026-09-01 19:47 – Updated: 2026-09-01 20:24

Title

Unauthenticated Limited Information Disclosure leads to Data Exposure in HPE Networking Fabric Composer

Summary

A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to view some system files. Successful exploitation could allow an attacker to read files within the affected directory.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-01 20:16 UTC

CWE

CWE-552 - Files or Directories Accessible to External Parties

Assigner

hpe mitre root

References

1 reference

URL	Tags
https://support.hpe.com/hpesc/public/docDisplay?d…

Impacted products

1 product

Vendor	Product	Version	CPE status
Hewlett Packard Enterprise (HPE)	Fabric Composer	Affected: 7.0.0 , ≤ 7.3.3 (semver)	guessed

Credits

This vulnerability was discovered by internal security research at HPE Networking.

Show details on NVD website

JSON

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FKIE_CVE-2026-73736

Vulnerability from fkie_nvd - Published: 2026-09-01 20:17 - Updated: 2026-09-01 21:18

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Summary

References

	URL	Tags
	security-alert@hpe.com	https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "product": "Fabric Composer",
          "vendor": "Hewlett Packard Enterprise (HPE)",
          "versions": [
            {
              "lessThanOrEqual": "7.3.3",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security-alert@hpe.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to view some system files. Successful exploitation could allow an attacker to read files within the affected directory."
    }
  ],
  "id": "CVE-2026-73736",
  "lastModified": "2026-09-01T21:18:40.007",
  "metrics": {
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "security-alert@hpe.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
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          "version": "2.0.3"
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  "published": "2026-09-01T20:17:21.217",
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}

GHSA-5G77-7H7M-494F

Vulnerability from github – Published: 2026-09-01 21:31 – Updated: 2026-09-01 21:31

Details

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-73736"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-552"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-01T20:17:21Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to view some system files. Successful exploitation could allow an attacker to read files within the affected directory.",
  "id": "GHSA-5g77-7h7m-494f",
  "modified": "2026-09-01T21:31:49Z",
  "published": "2026-09-01T21:31:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73736"
    },
    {
      "type": "WEB",
      "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us\u0026docLocale=en_US"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-73736 (GCVE-0-2026-73736)

FKIE_CVE-2026-73736

GHSA-5G77-7H7M-494F

Tags

Sightings

Nomenclature