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HPE Fabric Composer CVE-2026-73734

| EUVDEUVD-2026-69461 MEDIUM
URL Redirection to Untrusted Site (Open Redirect) (CWE-601)
2026-09-01 hpe GHSA-c6gm-cjp7-fjhf
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:N/UI:R/S:U/C:L/I:L/A:N
vuln.today AI
5.4 MEDIUM

Network-reachable web interface, no auth required, but victim must click crafted link; C:L/I:L reflects phishing potential without any direct system data exposure or modification.

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

Lifecycle Timeline

1
Analysis Generated
Sep 01, 2026 - 20:52 vuln.today

DescriptionCVE.org

A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to redirect users to an arbitrary URL.

AnalysisAI

Open redirect in the HPE Networking Fabric Composer web management interface allows unauthenticated remote attackers to craft URLs that transparently forward authenticated users to attacker-controlled destinations. The flaw targets network administrators who interact with the management console, creating a reliable phishing vector for credential harvesting against privileged accounts. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation User interaction is required - the victim must click a crafted URL containing a malicious redirect parameter targeting the Fabric Composer web management interface (UI:R per CVSS). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 5.4 (Medium) score reflects the constrained direct impact of an open redirect: network-accessible (AV:N), low complexity (AC:L), no privileges required on the attacker side (PR:N), but requiring a victim to click a crafted link (UI:R), with limited confidentiality and integrity impact (C:L/I:L) and no availability 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 advisory at https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US to identify the patched version and obtain upgrade instructions; no exact fix version was present in the input data and should not be assumed. … 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-2026-73734 vulnerability details – vuln.today

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