CVE-2026-35038
MEDIUMsignalk-server: Arbitrary Prototype Read via `from` Field Bypass
Title source: cnaDescription
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