Barco ClickShare CX-20 Gen2 Wallpaper Upload wallpaper denial of service (CVE-2026-100902) | HOL Guard CVE

High · CVSS 7.1CVE-2026-100902

Barco ClickShare CX-20 Gen2 Wallpaper Upload wallpaper denial of service

Answer in brief

CVE-2026-100902 records a High severity (CVSS 7.1) vulnerability in Barco ClickShare CX-20 Gen2 Wallpaper Upload wallpaper denial of service. The current sources do not mark it as known exploited. The current feed maps Barco/ClickShare CX-20 Gen2 (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 28, 2026Updated Sep 28, 2026Source checked Sep 28, 2026First seen by HOL Sep 28, 2026Material review Sep 28, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.1
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 7.1. 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 Barco/ClickShare CX-20 Gen2 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Barco/ClickShare CX-20 Gen2generic	02.26.00.0007	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Barco/ClickShare CX-20 Gen2.
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 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 28, 2026

Sources and claim methodology

Upstream source description

A vulnerability was determined in Barco ClickShare CX-20 Gen2 up to 02.26.00.0007. Affected by this issue is some unknown functionality of the file /wallpaper of the component Wallpaper Upload. This manipulation of the argument wallpaper causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Quoted source text, attributed separately from HOL analysis.