CVE-2026-35038 LOW

CVE-2026-35038: signalk-server: Arbitrary Prototype Read via `from` Field Bypass

Vendor Signalk
Product signalk-server
Weakness CWE-20 · Input validation
Published April 2, 2026
Last update April 2, 2026

CVSS base score

2.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 2, 2026 CVE published
April 2, 2026 Record updated