CVE-2026-35038 Details
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.
An arbitrary prototype read vulnerability has been identified in Signal K Server versions prior to 2.24.0. This vulnerability allows a low-privileged authenticated user to bypass prototype boundary filtering and extract internal functions and properties from the global prototype object. The issue arises in the application data JSON-patch endpoint, where the 'from' field is not properly validated, enabling unauthorized access to prototype data. The vulnerability has been patched in version 2.24.0.
Users can upgrade to Signal K Server version 2.24.0 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 2, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/SignalK/signalk-server/releases/tag/v2.24.0 | [email protected] | ProductRelease Notes |
| https://github.com/SignalK/signalk-server/security/advisories/GHSA-qh3j-mrg8-f234 | [email protected] | ExploitMitigationVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
| CWE-20 | Improper Input Validation | [email protected] |
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| signalk signal k server | < 2.24.0 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 21, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Apr 6, 2026 | Initial Analysis | [email protected] |
| Apr 2, 2026 | New CVE Received | [email protected] |