PT-2026-29796 · Signal · Signal K Server

Published 2026-04-02 · Updated 2026-04-02 · CVE-2026-33950

Mitre

CVSS v3.1

9.4

Critical

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

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.

Fix

Missing Authorization

Authentication Bypass Using an Alternate Path or Channel

Improper Authorization

Weakness Enumeration

CWE-862

CWE-288

CWE-285

Related Identifiers

CVE-2026-33950

Affected Products

Signal K Server

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-33950 · Security Note
• https://github.com/SignalK/signalk-server/security/advisories/GHSA-x8hc-fqv3-7gwf · Note
• https://github.com/SignalK/signalk-server/releases/tag/v2.24.0-beta.4 · Note