CVE-2024-43795: OPENC3 Cosmos

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. The login functionality contains a reflected cross-site scripting (XSS) vulnerability. This vulnerability is fixed in 5.19.0. Note: This CVE only affects Open Source Edition, and not OpenC3 COSMOS Enterprise Edition.

Affected products

• OPENC3 Cosmos: before 5.19.0 (fixed in 5.19.0)

Published 2024-10-02. Last modified 2026-06-17.