CVE-2026-35038

MediumCVSS 6.5/10Last modified Jul 21, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-20 CWE-125 CWE-200

Affected software

Vendor	Product	Versions
SignalK	signalk-server	< 2.24.0

References

https://github.com/SignalK/signalk-server/releases/tag/v2.24.0Product, Release Notes
https://github.com/SignalK/signalk-server/security/advisories/GHSA-qh3j-mrg8-f234Exploit, Mitigation, Vendor Advisory

Timeline

Published: Apr 2, 2026
Last modified: Jul 21, 2026
NVD status: Analyzed

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