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HPE Fabric Composer CVE-2026-73746

| EUVDEUVD-2026-69472 LOW
Uncontrolled Resource Consumption (CWE-400)
2026-09-01 hpe GHSA-wf72-j3m3-mjj3
3.1
CVSS 3.1 · Vendor: hpe

Severity by source

Vendor (hpe) PRIMARY
3.1 LOW
AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
vuln.today AI
3.1 LOW

Network-accessible API requires authenticated operator role (PR:L) and high-complexity conditions (AC:H); impact is availability-only and limited in scope.

3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
4.0 AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (hpe).

CVSS VectorVendor: hpe

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

1
Analysis Generated
Sep 01, 2026 - 20:43 vuln.today

DescriptionCVE.org

A denial-of-service vulnerability exists in the API of HPE Networking Fabric Composer that could allow an authenticated low privilege operator user to cause a denial of service. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service.

AnalysisAI

Denial-of-service in HPE Networking Fabric Composer's API allows an authenticated low-privilege operator to interrupt service availability. The flaw requires high-complexity conditions (AV:N/AC:H/PR:L) and produces only limited availability impact, placing it at CVSS 3.1. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated session with at minimum a low-privilege 'operator' role within HPE Networking Fabric Composer - unauthenticated access is not sufficient. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The overall real-world risk is low. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Consult the HPE security bulletin at https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US for vendor-confirmed fixed versions; an exact patched release version was not derivable from the available intelligence. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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Stored cross-site scripting in the HPE Networking Fabric Composer web management interface allows an unauthenticated att

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Unauthenticated remote access to the HPE Networking Fabric Composer API allows attackers to read limited internal system

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Privilege escalation in the HPE Networking Fabric Composer API allows authenticated low-privilege operator users to invo

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CVE-2026-73746 vulnerability details – vuln.today

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