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CVE-2026-73742— Improper Client Address Validation allows Request Attribution Spoofing in Fabric Composer API Endpoint

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 Networking Fabric Composer 的 API 端点存在一个漏洞，可能允许已认证的低权限操作员用户伪造其请求的源地址。若该漏洞被成功利用，攻击者可能导致受影响系统中记录不准确的归属信息。

CVSS 4.3 · Medium

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-2026-73742

Vulnerability Information
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Vulnerability Title
Improper Client Address Validation allows Request Attribution Spoofing in Fabric Composer API Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
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-2026-73742

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III. Intelligence Information for CVE-2026-73742

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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-2026-73706 8.6 HIGH Authentication Bypass in the API of HPE Networking Fabric Composer allows Data Exposure an
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-2026-73712 8.1 HIGH Unauthenticated Remote Code Execution in HPE Networking Fabric Composer API
CVE-2026-73711 8.1 HIGH Unauthenticated Privilege Escalation allows Administrative Access in HPE Networking Fabric
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-2026-73716 7.5 HIGH Unauthenticated Remote Code Execution in HPE Networking Fabric Composer
CVE-2026-73717 7.5 HIGH Unauthenticated Command Injection Vulnerability in HPE Networking Fabric Composer Web-Base

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-2026-73742

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