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CVE-2026-73706— Authentication Bypass in the API of HPE Networking Fabric Composer allows Data Exposure and Unauthorized Changes

Quick assessment

Affected
Hewlett Packard Enterprise (HPE) Fabric Composer
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HPE 网络 Fabric Composer（HPE Networking Fabric Composer）的 API 存在一个漏洞，允许未经身份验证的远程攻击者获取有限的系统信息，并更改易受攻击系统的某些设置状态。成功利用该漏洞后，攻击者可以洞察内部服务和工作流程，并进行未经授权的更改，这些更改可能会干扰受影响服务的正常运行。

CVSS 8.6 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
Hewlett Packard Enterprise (HPE) Fabric Composer 7.0.0≤ 7.3.3 affected
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I. Basic Information for CVE-2026-73706

Vulnerability Information
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Vulnerability Title
Authentication Bypass in the API of HPE Networking Fabric Composer allows Data Exposure and Unauthorized Changes
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the API of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to obtain limited system information and to change the state of certain settings of a vulnerable system. Successful exploitation could allow an attacker to gain insight into internal services and workflows and to make unauthorized changes that may disrupt the normal operation of the affected service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Hewlett Packard Enterprise (HPE) Fabric Composer 7.0.0 ~ 7.3.3 -

II. Public POCs for CVE-2026-73706

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III. Intelligence Information for CVE-2026-73706

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Same Patch Batch · Hewlett Packard Enterprise (HPE) · 2026-09-01 · 52 CVEs total

CVE-2026-76657 10.0 CRITICAL Authentication Bypass in HPE Networking Fabric Composer API allows Administrative Access
CVE-2026-76658 10.0 CRITICAL Unauthenticated Remote Code Execution in HPE Networking Fabric Composer SSH Daemon
CVE-2026-19766 9.6 CRITICAL Authentication Bypass leads to Administrative control of adjacent network hosts in HPE Net
CVE-2026-73700 9.0 CRITICAL Authenticated Stored Cross-Site Scripting Vulnerability (XSS) in HPE Networking Fabric Com
CVE-2026-73701 9.0 CRITICAL Unauthenticated Remote Code Execution in HPE Networking Fabric Composer
CVE-2026-73702 8.8 HIGH Authenticated Privilege Escalation Vulnerability in the API of HPE Networking Fabric Compo
CVE-2026-73703 8.8 HIGH Unauthenticated Stored Cross-Site Scripting (XSS) Vulnerability in HPE Networking Fabric C
CVE-2026-73704 8.8 HIGH Authenticated Command Injection Leading to Administrative Access in HPE Networking Fabric
CVE-2026-73705 8.8 HIGH Authenticated Arbitrary File Write leads to Remote Code Execution in HPE Networking Fabric
CVE-2026-73707 8.5 HIGH Authenticated Privilege Escalation via Broken Access Control in HPE Networking Fabric Comp
CVE-2026-73708 8.3 HIGH Fault in Business Logic allows Authenticated Sensitive Information Disclosure in HPE Netwo
CVE-2026-73709 8.3 HIGH Unauthenticated Remote Code Execution during HPE Networking Fabric Composer Installation P
CVE-2026-73710 8.2 HIGH Unauthenticated Denial of Service Vulnerabilities in API Endpoint of HPE Networking Fabric
CVE-2026-73711 8.1 HIGH Unauthenticated Privilege Escalation allows Administrative Access in HPE Networking Fabric
CVE-2026-73712 8.1 HIGH Unauthenticated Remote Code Execution in HPE Networking Fabric Composer API
CVE-2026-73713 7.8 HIGH Local Privilege Escalation Vulnerabilities in HPE Networking Fabric Composer
CVE-2026-73714 7.6 HIGH Authenticated Sensitive Information Disclosure in HPE Networking Fabric Composer API
CVE-2026-73717 7.5 HIGH Unauthenticated Command Injection Vulnerability in HPE Networking Fabric Composer Web-Base
CVE-2026-73716 7.5 HIGH Unauthenticated Remote Code Execution in HPE Networking Fabric Composer
CVE-2026-73715 7.5 HIGH Unauthenticated Denial-of-Service (DoS) Vulnerability in the API of HPE Networking Fabric

Showing top 20 of 52 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Fabric Composer
Same vendor: Hewlett Packard Enterprise (HPE)

V. Comments for CVE-2026-73706

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