Authentication Bypass leads to Administrative control of adjacent network hosts in HPE Networking Fabric Composer (CVE-2026-19766) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-19766

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

Answer in brief

CVE-2026-19766 records a Unknown severity vulnerability in Authentication Bypass leads to Administrative control of adjacent network hosts in HPE Networking Fabric Composer. The current sources do not mark it as known exploited. The current feed maps Hewlett Packard Enterprise (HPE)/Fabric Composer (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 1, 2026Updated Sep 1, 2026Source checked Sep 1, 2026First seen by HOL Sep 1, 2026Material review Sep 1, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Hewlett Packard Enterprise (HPE)/Fabric Composer (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Hewlett Packard Enterprise (HPE)/Fabric Composergeneric	7.0.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Hewlett Packard Enterprise (HPE)/Fabric Composer.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 1, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 1, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 1, 2026

Sources and claim methodology

Source referencesupport.hpe.com

Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.