CVE-2026-35038

MEDIUM

signalk-server: Arbitrary Prototype Read via `from` Field Bypass

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 6.5
EPSS 0.0006
EPSS Percentile 17.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-125 CWE-20 CWE-200
Status published
Products (3)
npm/signalk-server 0 - 2.24.0npm
signalk/signal_k_server < 2.24.0
SignalK/signalk-server < 2.24.0
Published Apr 02, 2026
Tracked Since Apr 02, 2026