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HPE Fabric Composer CVE-2026-73736

| EUVDEUVD-2026-69463 MEDIUM
Files or Directories Accessible to External Parties (CWE-552)
2026-09-01 hpe GHSA-5g77-7h7m-494f
5.3
CVSS 3.1 · Vendor: hpe
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Severity by source

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

Network-reachable management interface, no auth required per description; impact is limited read of bounded directory (C:L), no integrity or availability effect.

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

Primary rating from Vendor (hpe).

CVSS VectorVendor: hpe

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

Lifecycle Timeline

1
Analysis Generated
Sep 01, 2026 - 20:50 vuln.today

DescriptionCVE.org

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.

AnalysisAI

Unauthenticated file read in HPE Networking Fabric Composer's web-based management interface exposes a subset of system files to remote attackers without requiring any credentials. The vulnerability is confined to files within a specific affected directory rather than offering arbitrary filesystem access, yielding a limited confidentiality impact consistent with the CVSS 5.3 (C:L) score. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation The HPE Fabric Composer web-based management interface must be reachable from the attacker's network - CVSS AV:N/AC:L/PR:N/UI:N confirms no authentication, no elevated complexity, and no user interaction are required. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 5.3 with AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N describes a medium-severity information-disclosure path that is trivially reachable from the network without credentials or user interaction, but with limited confidentiality impact. … 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. … 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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CVE-2026-73736 vulnerability details – vuln.today

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