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CVE-2026-76657— Authentication Bypass in HPE Networking Fabric Composer API allows Administrative Access

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.

在 HPE Networking Fabric Composer 的 API 中发现了多个漏洞，这些漏洞可能允许未经验证的远程攻击者绕过现有的身份验证控制。成功利用这些漏洞后，攻击者可能获得管理员权限，从而导致 HPE Networking Fabric Composer 主机被完全控制。

CVSS 10.0 · Critical

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

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-2026-76657

Vulnerability Information
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Vulnerability Title
Authentication Bypass in HPE Networking Fabric Composer API allows Administrative Access
Source: CVE Program / CVE List V5
Vulnerability Description
Vulnerabilities have been identified in the API of HPE Networking Fabric Composer that could potentially allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative privileges leading to complete compromise of the HPE Networking Fabric Composer host.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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-2026-76657

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III. Intelligence Information for CVE-2026-76657

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Other References for CVE-2026-76657 (1)

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

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-2026-73715 7.5 HIGH Unauthenticated Denial-of-Service (DoS) Vulnerability in the API of HPE Networking Fabric
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

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-2026-76657

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