medium6.5
CVE-2026-35038
Signal K Server is a server application that runs on a central hub in a boat.
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | signalk-server | < 2.24.0 | 2.24.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Signalk | Signal K Server | before 2.24.0 |