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TI-2025-41849 Aliases CVE-2025-68273GHSA-fpf5-w967-rr2m

Signal K Server Vulnerable to Unauthenticated Information Disclosure via Exposed Endpoints

Priority MEDIUM 63CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-200.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00823 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed signalk-server (SignalK): 2.19.0signalk-server (npm): 2.19.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SignalKsignalk-serverbefore 2.19.02.19.0Patch availableCNA
—signalk-server (npm)before 2.19.02.19.0Patch availableGHSA-fpf5-w967-rr2m
  • signalk-server VendorSignalK Affected before 2.19.0 Fixed in 2.19.0 Patch available CNA
  • signalk-server (npm) Vendor— Affected before 2.19.0 Fixed in 2.19.0 Patch available GHSA-fpf5-w967-rr2m

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:signalk:signal_k_server:*:*:*:*:*:*:*:*before 2.19.0VulnerableSignalK
  • cpe:2.3:a:signalk:signal_k_server:*:*:*:*:*:*:*:* Versions before 2.19.0 Vulnerable ·SignalK

Remediation

  • Fix · CNA signalk-server (SignalK) Fixed in 2.19.0
  • Fix · GHSA-fpf5-w967-rr2m signalk-server (npm) Fixed in 2.19.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-68273
  2. 2026-10-03 Alias added: GHSA-fpf5-w967-rr2m

References

Exploit 1

Advisory 1

Other 3

  • TI-2026-26300 signalk-server: Privilege Escalation by Admin Role Injection via /enableSecurity CVSS 3.1CRITICAL 9.4
  • TI-2025-40835 Signal K Server has Unauthenticated State Pollution leading to Remote Code Execution (RCE) CVSS 3.1CRITICAL 9.7
  • TI-2025-42138 Signal K Server vulnerable to JWT Token Theft via WebSocket Enumeration and Unauthenticated Polling CVSS 3.1CRITICAL 9.1
  • TI-2026-30295 Signal K Server's WebSocket Login Endpoint Lacks Rate Limiting (Credential Brute-Force) CVSS 4.0HIGH 8.7
  • TI-2025-42657 Signal K Server Vulnerable to Access Request Spoofing CVSS 3.1HIGH 8.8
  • TI-2026-18939 RCE - Command Injection in Signal K set-system-time plugin CVSS 3.1CRITICAL 10.0
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences