Authentication Bypass in HPE Networking Fabric Composer allows Unauthorized Administrative Access
Priority LOW 30CWE-287Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.
Summary
A vulnerability has been identified in the underlying operating system of HPE Networking Fabric Composer that could potentially allow an unauthenticated adjacent actor to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00257 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Hewlett Packard Enterprise (HPE) | Fabric Composer | 7.0.0 – 7.3.3 | — | No fix listed | CNA |
- Fabric Composer VendorHewlett Packard Enterprise (HPE) Affected 7.0.0 – 7.3.3 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:arubanetworks:fabric_composer:*:*:*:*:*:*:*:* | before 7.3.4 | Vulnerable | Arubanetworks |
- cpe:2.3:a:arubanetworks:fabric_composer:*:*:*:*:*:*:*:* Versions before 7.3.4 Vulnerable ·Arubanetworks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-73726
- 2026-10-03 Alias added: GHSA-c6vf-9qg7-rj38
References
More Hewlett Packard Enterprise (HPE) vulnerabilities
- TI-2025-25062 A remote code execution issue exists in HPE OneView. KEVCVSS 3.1CRITICAL 10.0
- TI-2017-03684 Improper privilege management in Intel Active Mangement Technology, Intel Small Business… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
- TI-2024-35876 Path traversal in Hewlett Packard Enterprise (HPE) HPE Insight Remote Support CVSS 3.1CRITICAL 9.8
- TI-2020-05748 A security vulnerability in HPE Smart Update Manager (SUM) prior to version 8.5.6 could… CVSS 3.1CRITICAL 9.8
- TI-2024-35875 XML injection in Hewlett Packard Enterprise (HPE) HPE Insight Remote Support CVSS 3.1HIGH 7.5
Sources
- CVE-2026-73726 · CVE Program
- CVE-2026-73726 · NVD
- FIRST EPSS
- GHSA-c6vf-9qg7-rj38 · GitHub Advisory Database · CC BY 4.0
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