What is CVE-2026-25228?

CVE-2026-25228 is a medium-severity vulnerability in Signalk Signalk-server, classified under Path Traversal. CVSS score: 5.0/10. Published 2026-02-02.

How severe is CVE-2026-25228?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Path Traversal in Signalk Signalk-server

CVE-2026-25228

Signal K Server is a server application that runs on a central hub in a boat. Prior to 2.20.3, a path traversal vulnerability in SignalK Server's applicationData API allows authenticated users on Windows systems to read, write, and list ar…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.000 (5.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.

Affected products

Signalk Signalk-server — versions < 2.20.3

Weakness classification (CWE)

CWE-22 — Path Traversal

References

https://github.com/SignalK/signalk-server/security/advisories/GHSA-vrhw-v2hw-jffx (x_refsource_CONFIRM)
https://github.com/SignalK/signalk-server/commit/9bcf61c8fe2cb8a40998b913a02fb64dff9e86c7 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-25228?: CVE-2026-25228 is a medium-severity vulnerability in Signalk Signalk-server, classified under Path Traversal. CVSS score: 5.0/10. Published 2026-02-02.
How severe is CVE-2026-25228?: Medium severity. CVSS v3 base score is 5.0 out of 10.