Authentication Bypass in HPE Networking Fabric Composer API allows Administrative Access

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-76657
StatePUBLISHED
Assignerhpe
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-01 20:17:22 UTC
Updated2026-09-02 15:14:09 UTC
DescriptionVulnerabilities 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.

Risk And Classification

Primary CVSS: v3.1 10 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.004280000 probability, percentile 0.357430000 (date 2026-09-02)

Problem Types: CWE-287 | CWE-287 CWE-287 Improper Authentication

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Arubanetworks Fabric Composer All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Hewlett Packard Enterprise HPE Fabric Composer affected 7.0.0 7.3.3 semver Not specified

References

ReferenceSourceLinkTags
support.hpe.com/hpesc/public/docDisplay [email protected] support.hpe.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: This vulnerability was discovered by internal security research at HPE Networking. (en)

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