CVE-2026-35038

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductSignalk Signal K Server
PublishedApr 2, 2026
First seenApr 2, 2026

How to fix

Update
  • signalk signal_k_server2.24.0 or later
  • signalk-server2.24.0 or later

Affected products

ProductAffected versionsFixed in
signalk signal_k_serverv < 2.24.02.24.0
signalk-servernpmv < 2.24.02.24.0

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