CVE-2026-35038
Description
Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.24.0, there is an arbitrary prototype read vulnerability via `from` field bypass. This vulnerability allows a low-privileged authenticated user to bypass prototype boundary filtering to extract internal functions and properties from the global prototype object this violates data isolation and lets a user read more than they should. This issue has been patched in version 2.24.0.
How to fix
- signalk signal_k_server2.24.0 or later
- signalk-server2.24.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| signalk signal_k_server | v < 2.24.0 | 2.24.0 |
| signalk-servernpm | v < 2.24.0 | 2.24.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.