What is CVE-2026-35038?

CVE-2026-35038 is a medium-severity vulnerability in Signalk Signal_k_server, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-04-02.

How severe is CVE-2026-35038?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Out-of-bounds Read in Signalk Signal_k_server

CVE-2026-35038

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 use…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.001 (20.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Signalk Signal_k_server
Signalk Signalk-server — versions < 2.24.0

Weakness classification (CWE)

References

https://github.com/SignalK/signalk-server/security/advisories/GHSA-qh3j-mrg8-f234 (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
https://github.com/SignalK/signalk-server/releases/tag/v2.24.0 (Product, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-35038?: CVE-2026-35038 is a medium-severity vulnerability in Signalk Signal_k_server, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-04-02.
How severe is CVE-2026-35038?: Medium severity. CVSS v3 base score is 6.5 out of 10.