Vulnerability · Published Sep 28, 2026 · Assigned by VulDB
CVE-2026-100902Barco ClickShare CX-20 Gen2 Wallpaper Upload wallpaper improper validation of syntactic correctness of input
Medium 6.5
In plain English
A medium-severity improper input validation in ClickShare CX-20 Gen2 from Barco. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).
Official 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 improper validation of syntactic correctness of input. 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Barco | ClickShare CX-20 Gen2 | 02.26.00.0007 |
Weakness: CWE-1286, CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:T/RC:R
References
- VDB-410852 | Barco ClickShare CX-20 Gen2 Wallpaper Upload wallpaper improper validation of syntactic correctness of input vdb-entry, technical-description, mitigation
- VDB-410852 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-100902 | CVE Analysis and Report third-party-advisory
- Submit #919384 | Barco ClickShare CX-20 Gen2 02.26.00.0007 Denial of Service third-party-advisory
- https://github.com/0xWKZER/-security-disclosures/blob/main/Barco001.md exploit