CVE-2026-73726
Authentication Bypass in HPE Networking Fabric Composer allows Unauthorized Administrative Access
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Authentication Bypass in HPE Networking Fabric Composer allows Unauthorized Administrative Access
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.
- Record
CVE-2026-73726- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2026-69453
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.
- Record
EUVD-2026-69453- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-c6vf-9qg7-rj38
A vulnerability has been identified in the underlying operating system of HPE Networking Fabric...
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.
- Record
GHSA-c6vf-9qg7-rj38- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-287, CWE-306
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-73726- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-306, CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-73726 is a medium vulnerability (CVSS 6.8) in Arubanetworks Fabric Composer, published September 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.