CVE-2026-100902: barco clickshare cx-20 gen2 Improper Input Validation

Vulnerability summary

CVE-2026-100902 is a high (CVSS 7.1) Improper Input Validation vulnerability in barco clickshare cx-20 gen2. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 28-09-2026
   PublishedVulnerability first disclosed.
2. 28-09-2026
   Last modifiedVulnerability information updated.

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.

• CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
• CWE-1286Improper Validation of Syntactic Correctness of InputThe product receives input that is expected to be well-formed - i.e., to comply with a certain syntax - but it does not validate or incorrectly validates that the input complies with the syntax.