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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (57.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Signalk Signal K Server
- Signalk Signalk-Server — versions < 2.19.0
Weakness classification (CWE)
References
- github.com/SignalK/signalk-server/security/advisories/GHSA-fpf5-w967-rr2m (Exploit, Vendor Advisory)
- github.com/SignalK/signalk-server/releases/tag/v2.19.0 (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.