CVE-2025-68273

Signal K Server Vulnerable to Unauthenticated Information Disclosure via Exposed Endpoints

Signal K Server is a server application that runs on a central hub in a boat. An unauthenticated information disclosure vulnerability in versions prior to 2.19.0 allows any user to retrieve sensitive system information, including the full SignalK data schema, connected serial devices, and installed analyzer tools. This exposure facilitates reconnaissance for further attacks. Version 2.19.0 patches the issue.

Affected

SignalK · signalk-server

CVSS v3.1 NVD

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS

0.82% chance of exploitation in the next 30 days, 57th percentile

Nuclei

medium · CWE-200

Published

2026-01-01

Updated

2026-01-02

Proof-of-concept exploits (1)

• advisories/GHSA-fpf5-w967-rr2m

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-68273.yaml

Security advisories

• SignalK/signalk-server/security/advisories/GHSA-fpf5-w967-rr2m
• SignalK/signalk-server/releases/tag/v2.19.0

References

• CVE Record
• NVD entry