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CVE-2026-23515

CRITICAL CVSS: 9.9 Published: 2026-02-02 Modified: 2026-06-17

Description

Signal K Server is a server application that runs on a central hub in a boat. Prior to 1.5.0, a command injection vulnerability allows authenticated users with write permissions to execute arbitrary shell commands on the Signal K server when the set-system-time plugin is enabled. Unauthenticated users can also exploit this vulnerability if security is disabled on the Signal K server. This occurs due to unsafe construction of shell commands when processing navigation.datetime values received via WebSocket delta messages. This vulnerability is fixed in 1.5.0.

Affected Platforms

Signalk Signal K Server

Weakness Type

CWE-78

References