CVE-2026-100902 Barco ClickShare CX-20 Gen2 Wallpaper Upload wallpaper improper validation of syntactic correctness of input
Remote attackers can exploit improper input validation in the wallpaper upload feature to potentially execute code or escalate privileges on Barco ClickShare devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-100902?
CVE-2026-100902 is a high-severity vulnerability in Barco ClickShare CX-20 Gen2, published on 28 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Which versions are affected by CVE-2026-100902?
How do I fix CVE-2026-100902?
No fix has been published for CVE-2026-100902 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-100902 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-100902 exists.
Sources
Also known as GHSA-q2rq-5hf8-g6jh.