CVE-2026-33950

Critical

Description

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.24.0-beta.4, there is a privilege escalation vulnerability by Admin Role Injection via /enableSecurity. An unauthenticated attacker can gain full Administrator access to the SignalK server at any time, allowing them to modify sensitive vessel routing data, alter server configurations, and access restricted endpoints. This issue has been patched in version 2.24.0-beta.4.

SeverityCritical
CVSS9.4
Exploit probability—
ProductSignalk Signal K Server
PublishedApr 2, 2026
First seenApr 2, 2026

How to fix

Update
  • signalk signal_k_server2.24.0 or later
  • signalk-server2.24.0-beta.4 or later

Affected products

ProductAffected versionsFixed in
signalk signal_k_serverv < 2.24.0, 2.24.02.24.0
signalk-servernpmv < 2.24.0-beta.42.24.0-beta.4

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