What is CVE-2025-68273?

CVE-2025-68273 is a medium-severity vulnerability in Signalk Signal K Server, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-01-01.

How severe is CVE-2025-68273?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Signalk Signal K Server

CVE-2025-68273

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.

Vulnerability class: Information Disclosure

EPSS: 0.004 (31.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Signalk Signal_k_server
Signalk Signalk-server — versions < 2.19.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2025-68273?: CVE-2025-68273 is a medium-severity vulnerability in Signalk Signal K Server, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-01-01.
How severe is CVE-2025-68273?: Medium severity. CVSS v3 base score is 5.3 out of 10.