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  4. CVE 2026 73742 improper client address validation allows request
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Back to active CVEs
Medium · CVSS 4.3CVE-2026-73742

Improper Client Address Validation allows Request Attribution Spoofing in Fabric Composer API EndpointCVE-2026-73742

Answer in brief

CVE-2026-73742 records a Medium severity (CVSS 4.3) vulnerability in Improper Client Address Validation allows Request Attribution Spoofing in Fabric Composer API Endpoint. The current sources do not mark it as known exploited. The current feed maps Hewlett Packard Enterprise (HPE)/Fabric Composer (generic), 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 3, 2026Source checked Oct 16, 2026First seen by HOL Sep 1, 2026Material review Sep 3, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.3
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.3. 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), Hewlett Packard Enterprise (HPE)/Fabric Composer (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:arubanetworks:fabric_composer:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Hewlett Packard Enterprise (HPE)/Fabric Composergeneric7.0.0Not reported
Hewlett Packard Enterprise (HPE)/Fabric Composergeneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Hewlett Packard Enterprise (HPE)/Fabric Composer, Hewlett Packard Enterprise (HPE)/Fabric Composer.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Sep 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 1, 2026

Sources and claim methodology

  • Source referencesupport.hpe.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • ZoneMinder: Authenticated OS Command Injection (RCE) via Export FeatureSame generic ecosystem
  • ZoneMinder: Authenticated OS Command Injection via unsanitized Monitor Name in event export (download_functions.php)Same generic ecosystem
  • JavaCV: Integer Overflow in IPCameraFrameGrabber Causes Infinite-Loop DoSSame generic ecosystem
  • IBM i is Affected By An Improper Privilege Management VulnerabilitySame generic ecosystem
  • LoopX serve-status permissive CORS policy exposes control-plane state and private Markdown filesSame generic ecosystem
  • ERPNext: Unauthorised access to financial data due to missing validationSame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-290
Source
CVE List V5
Source checked
Oct 16, 2026
References
1 linked source
Open source record