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HPE Fabric Composer CVE-2026-73735

| EUVDEUVD-2026-69462 MEDIUM
Files or Directories Accessible to External Parties (CWE-552)
2026-09-01 hpe GHSA-68w8-xmxr-x2gc
5.4
CVSS 3.1 · Vendor: hpe
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Severity by source

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

Network-accessible API requiring low-privilege auth; limited confidentiality and integrity impact with no availability effect aligns with vendor description.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/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
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

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

DescriptionCVE.org

Vulnerabilities in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to access some information beyond their privilege level. Successful exploitation could allow an attacker to obtain limited information and/or make limited changes beyond what is authorized by the user's existing privilege level.

AnalysisAI

Authenticated privilege escalation in HPE Networking Fabric Composer's API allows low-privilege operator users to read limited information and make limited configuration changes beyond their authorized scope. The flaw affects all tracked versions per CPE data and requires only a valid low-privilege account to exploit - no special configuration or user interaction is needed. …

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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 Exploitation requires a valid authenticated session with at least low-privilege operator rights on the HPE Fabric Composer platform - unauthenticated attackers cannot exploit this flaw. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 5.4 (Medium) score with vector AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N is internally consistent and accurately reflects the threat model: the attack is network-reachable, low-complexity, but requires authenticated access at the operator privilege tier. … 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 Apply the patch or upgrade referenced in HPE Security Bulletin HPESBNW05133 at https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US. … 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-2026-73735 vulnerability details – vuln.today

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