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HPE Fabric Composer CVE-2026-73744

| EUVDEUVD-2026-69471 LOW
Uncontrolled Resource Consumption (CWE-400)
2026-09-01 hpe GHSA-88q4-f45q-2j8w
3.5
CVSS 3.1 · Vendor: hpe

Severity by source

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

Network-accessible web UI, low-privilege auth required, user interaction needed, no confidentiality or integrity impact, only limited availability disruption to management plane.

3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
4.0 AV:N/AC:L/AT:N/PR:L/UI:P/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
Low
Privileges Required
Low
User Interaction
Required
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 web-based management interface 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 disrupt the availability of the affected interface.

AnalysisAI

Denial of service in HPE Networking Fabric Composer's web-based management interface can be triggered by an authenticated low-privilege operator, disrupting the availability of the management UI. The CVSS vector (AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L) reflects a low-severity, network-accessible flaw requiring valid credentials and user interaction, yielding only limited availability impact. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid low-privilege operator account on the HPE Networking Fabric Composer system (PR:L per CVSS vector). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The overall risk from CVE-2026-73744 is low by every available signal. … 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 the authoritative fix guidance; no specific patched version is identified in the currently available data, so a vendor-confirmed fix version cannot be cited here. … 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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Privilege escalation in HPE Networking Fabric Composer allows an authenticated low-privilege operator to gain full admin

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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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Privilege escalation in HPE Networking Fabric Composer's API allows an authenticated low-privilege operator user to elev

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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-2026-73744 vulnerability details – vuln.today

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