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HPE Fabric Composer CVE-2026-73717

| EUVDEUVD-2026-69444 HIGH
OS Command Injection (CWE-78)
2026-09-01 hpe GHSA-9crm-frqf-mmf9
7.5
CVSS 3.1 · Vendor: hpe
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Severity by source

Vendor (hpe) PRIMARY
7.5 HIGH
AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
vuln.today AI
7.5 HIGH

Network vector confirmed by web interface; AC:H reflects external preconditions required per description; PR:N per unauthenticated attack; UI:R per CVSS; full C/I/A reflects OS-level command execution and complete system compromise.

3.1 AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
4.0 AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/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
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Sep 01, 2026 - 20:27 vuln.today
CVE Published
Sep 01, 2026 - 19:46 cve.org
HIGH 7.5

DescriptionCVE.org

A command injection vulnerability exists in the web-based management interface of HPE Networking Fabric Composer that could allow an unauthenticated remote attacker to run arbitrary commands on the underlying host if certain preconditions outside of the attacker's control are met. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system leading to complete system compromise.

AnalysisAI

Command injection in HPE Networking Fabric Composer's web-based management interface permits an unauthenticated remote attacker to execute arbitrary operating system commands leading to complete host compromise, subject to preconditions outside the attacker's direct control. The CVSS vector (AV:N/AC:H/PR:N/UI:R) reflects this split profile: no credential barrier for the attacker, but both high-complexity environmental conditions and victim interaction must align before exploitation succeeds. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires two constraints that the attacker cannot fully control: (1) certain preconditions on the target system or environment must independently be satisfied - the description explicitly states these are 'outside of the attacker's control', corresponding to CVSS AC:H; and (2) some victim interaction is required (CVSS UI:R), indicating a logged-in user or administrator must take an action (such as visiting a crafted URL or triggering a specific interface workflow) for the exploit to proceed. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 3.1 rates this 7.5 (High) rather than Critical because AC:H and UI:R substantially reduce exploitability even though all three impact metrics are maximal (C:H/I:H/A:H). … 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 HPE security bulletin HPESBNW05133en_us (https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US) for the specific patched release and upgrade path - no exact fix version is confirmed from the available input data, so the bulletin is the authoritative source. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory all HPE Networking Fabric Composer deployments and document their network exposure, administrative users, and operational criticality. …

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

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CVE-2026-73717 vulnerability details – vuln.today

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