CVE-2026-73705

An arbitrary file write vulnerability in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to escalate privileges. Successful exploitation of this vulnerability may enable the attacker to execute arbitrary commands on the underlying operating system, leading to complete compromise of the affected system.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:arubanetworks:fabric_composer:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-09-01 20:17

Updated : 2026-09-02 16:17

NVD link : CVE-2026-73705

Mitre link : CVE-2026-73705

CVE.ORG link : CVE-2026-73705

JSON object : View

Products Affected

arubanetworks

fabric_composer

CWE

NVD-CWE-noinfo CWE-552

Files or Directories Accessible to External Parties

{"id": "CVE-2026-73705", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73705", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-02T15:17:48.284705Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-alert@hpe.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security-alert@hpe.com", "affectedData": [{"vendor": "Hewlett Packard Enterprise (HPE)", "product": "Fabric Composer", "versions": [{"status": "affected", "version": "7.0.0", "versionType": "semver", "lessThanOrEqual": "7.3.3"}], "defaultStatus": "affected"}]}], "published": "2026-09-01T20:17:17.870", "references": [{"url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US", "tags": ["Vendor Advisory"], "source": "security-alert@hpe.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-552"}]}], "descriptions": [{"lang": "en", "value": "An arbitrary file write vulnerability in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to escalate privileges. Successful exploitation of this vulnerability may enable the attacker to execute arbitrary commands on the underlying operating system, leading to complete compromise of the affected system."}], "lastModified": "2026-09-02T16:17:20.140", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:arubanetworks:fabric_composer:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E34E933B-FAAD-41AB-8FC3-0368FF82F047", "versionEndExcluding": "7.3.4"}], "operator": "OR"}]}], "sourceIdentifier": "security-alert@hpe.com"}