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CVE-2026-19766

Authentication Bypass leads to Administrative control of adjacent network hosts in HPE Networking Fabric Composer

An authentication bypass vulnerability exists in the underlying operating system of HPE Networking Fabric Composer. Successful exploitation could allow an unauthenticated adjacent attacker to execute arbitrary code as a privileged user on the underlying operating system, leading to complete compromise of the AFC host.

CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73716

Unauthenticated Remote Code Execution in HPE Networking Fabric Composer

A remote code execution vulnerability exists in the underlying operating system 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 as a privileged user on the underlying operating system, leading to complete compromise of the HPE Networking Fabric Composer host.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73717

Unauthenticated Command Injection Vulnerability in HPE Networking Fabric Composer Web-Based Management Interface

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.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73712

Unauthenticated Remote Code Execution in HPE Networking Fabric Composer API

A vulnerability in the API of HPE Networking Fabric Composer 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 of this vulnerability could allow an attacker to execute arbitrary commands on the underlying operating system leading to complete system compromise.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73728

Authenticated Denial of Service Vulnerabilities in HPE Networking Fabric Composer API

Denial-of-service vulnerabilities exist in the API of HPE Networking Fabric Composer that could allow an authenticated low privilege operator user to cause a denial of service. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73729

Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer

A vulnerability in the underlying operating system of HPE Networking Fabric Composer could allow an authenticated low privilege operator user with local access to upstream AFC dependencies to view sensitive information. Successful exploitation could allow an attacker to access data beyond what is authorized by the user's existing privilege level, potentially leading to further unauthorized access.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73730

Authenticated Privilege Escalation via Broken Access Control in HPE Networking Fabric Composer API

A privilege escalation vulnerability exists in the API of HPE Networking Fabric Composer. Successful exploitation could allow an authenticated low privilege operator user to change the state of certain settings of a vulnerable system.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73742

Improper Client Address Validation allows Request Attribution Spoofing in Fabric Composer API Endpoint

A vulnerability in an API endpoint of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to spoof the source address attributed to their requests. Successful exploitation could allow an attacker to cause inaccurate attribution information to be recorded on the affected system.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73731

Unauthenticated Reflected Cross-Site Scripting (XSS) Vulnerability in HPE Networking Fabric Composer Web-Based Management Interface

A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to conduct a reflected cross-site scripting (XSS) attack against a user of the interface. A successful exploit could allow an attacker to execute arbitrary script code in a victim's browser in the context of the affected interface.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73743

Unauthenticated Information Disclosure Leading to Data Exposure in HPE Networking Fabric Composer

A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to gain insight into some data handled by the affected interface. A successful exploit could allow an attacker to gain access to some data in a cleartext format possibly exposing other network infrastructure to further compromise.

CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73741

Authenticated Limited File Read allows Data Exposure in HPE Networking Fabric Composer API

A vulnerability in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to view some system files. Successful exploitation could allow an attacker to access limited data beyond what is authorized by the user's existing privilege level.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73739

Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer API

A vulnerability exists in the API of HPE Networking Fabric Composer that allows for an attacker with administrative privileges to access sensitive information in a cleartext format. A successful exploit allows an attacker to retrieve sensitive information that was expected to remain protected within the affected system.

CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73740

Local Privilege Escalation in HPE Networking Fabric Composer

A local privilege escalation vulnerability in HPE Networking Fabric Composer could allow an authenticated privileged user on the underlying host to elevate their user privileges to those of a higher role. A successful exploit allows the attacker to change the state of certain settings of the affected system.

CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73738

Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer

A vulnerability in the underlying operating system of HPE Networking Fabric Composer could allow an authenticated low privilege operator user with local access to view sensitive information. Successful exploitation could allow an attacker to retrieve information which could be used to potentially gain further privileges on the affected system.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73737

Unauthenticated Path Traversal in HPE Networking Fabric Composer API Endpoint Allows Unauthorized File Modification

An unauthenticated path traversal vulnerability exists in the API endpoint of HPE Networking Fabric Composer. Successful exploitation could allow an unauthenticated adjacent attacker to manipulate user generated files, potentially leading to unauthorized changes in critical system configurations, if certain preconditions outside of the attacker's control are met.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73735

Authenticated Access Control Vulnerabilities allow Information Disclosure in HPE Networking Fabric Composer API

Vulnerabilities in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to access some information beyond their privilege level. Successful exploitation could allow an attacker to obtain limited information and/or make limited changes beyond what is authorized by the user's existing privilege level.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73736

Unauthenticated Limited Information Disclosure leads to Data Exposure in HPE Networking Fabric Composer

A vulnerability in the web-based management interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to view some system files. Successful exploitation could allow an attacker to read files within the affected directory.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73733

Authentication Bypasses in API allow Continued Authenticated Access in HPE Networking Fabric Composer

Authentication bypasses in the API of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to circumvent existing authentication controls. Successful exploitation could allow an attacker to retain limited access to the affected system after that access should have been revoked.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer
CVE-2026-73732

Local Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer

A vulnerability in the underlying operating system of HPE Networking Fabric Composer could allow an authenticated low privilege operator user with local access to obtain sensitive information. Successful exploitation could allow an attacker to retrieve sensitive data which could be used to gain further unauthorized access to the affected system and to other systems it interacts with.

CVSS 3.1 · 5.6 Medium EPSS < 1% KEV · Not listed
Vendors
Arubanetworks Hewlett Packard Enterprise (hpe)
Products
Fabric Composer Fabric Composer