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HPE Fabric Composer CVE-2026-73745

| EUVDEUVD-2026-69429 LOW
Information Exposure (CWE-200)
2026-09-01 hpe GHSA-6wmc-9qv9-r53c
3.1
CVSS 3.1 · Vendor: hpe

Severity by source

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

Retaining AV:N/AC:H/PR:N from official vector; adjusting UI to N because API endpoints do not inherently require user interaction without further evidence.

3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:H/AT:P/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
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
Metadata Corrected
Sep 01, 2026 - 21:40 vuln.today
tag: Authentication Bypass replaced by Information Disclosure
Analysis Generated
Sep 01, 2026 - 20:43 vuln.today

DescriptionCVE.org

A vulnerability in the API endpoint of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to view some information handled by the affected system. Successful exploitation could allow an attacker to gain insight into internal services and workflows, increasing the risk of unauthorized access when combined with other vulnerabilities.

AnalysisAI

Unauthenticated information disclosure in HPE Networking Fabric Composer's API endpoint exposes internal service and workflow details to remote attackers under high-complexity conditions. The vulnerability requires user interaction per the CVSS vector (UI:R), which is atypical for an API endpoint flaw, suggesting a specific trigger mechanism or chained condition not fully described in the advisory. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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

Vulnerability AssessmentAI

Exploitation Exploitation requires: (1) network reachability to the HPE Fabric Composer API endpoint from the attacker's position; (2) a high-complexity condition that the CVSS AC:H metric signals but the description does not specify - likely a race condition, timing dependency, or specific API request structure; (3) user interaction (UI:R per CVSS), which is unusual for an API flaw and implies a user-triggered action (e.g., an authenticated user performing an operation that exposes the response, or a CSRF-like mechanism). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The official CVSS base score of 3.1 (Low) reflects a genuinely constrained risk profile: high attack complexity (AC:H), user interaction required (UI:R), and only low confidentiality impact (C:L) with no integrity or availability effect. … 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 patch version details - no specific fixed version is identifiable from the provided input data. … 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-2026-73745 vulnerability details – vuln.today

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