CVE-2025-68273
MediumPublic exploitSignal K Server Vulnerable to Unauthenticated Information Disclosure via Exposed Endpoints
Published Jan 2, 2026 · Updated Oct 9, 2026 · Also known as GHSA-fpf5-w967-rr2m
Key Facts
Routine patching- CVE-2025-68273 is a medium-severity vulnerability (CVSS 5.3 v3.1) affecting Signal K Server (Signalk), signalk-server (npm).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 0.8% probability of exploitation in the next 30 days.
- Fixed versions are available, including Signal K Server 2.19.0, signalk-server 2.19.0.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
CVSS v3.1
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS (30-day exploit likelihood)
0.8%
Higher than 56.5% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
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 Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Signal K ServerSignalk | See advisory | 2.19.0 |
| signalk-servernpm | >= < 2.19.0 | 2.19.0 |
Patched Releases
Signal K Server
2.19.0
signalk-server
2.19.0
Timeline
Publicly disclosed
Jan 2, 2026
Last updated
Oct 9, 2026
Weakness Type
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- advisoryGHSA advisory
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68273.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2025-68273
- articlehttps://github.com/SignalK/signalk-server/commit/ead2a03d8994969cafcca0320abee16f0e66e7a9
- articlehttps://github.com/SignalK/signalk-server/releases/tag/v2.19.0
FAQ
Common Questions.
Signal K Server is a server application that runs on a central hub in a boat.
Affected: Signal K Server (Signalk); signalk-server (npm) versions >= < 2.19.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Signal K Server 2.19.0, signalk-server 2.19.0.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
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