CVE-2026-23515: 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…

PriorityP266high8.8CVSS 3.1

AVNACLPRLUINSUCHIHAH

EPSS

4.16%

89.6th percentile

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

3 ranges

Vendor	Product	Version range	Fixed in
signalk	set-system-time	>= 0 < 1.5.0	1.5.0
signalk	signal_k_server	< 1.5.0	1.5.0
signalk	signalk-server	< 1.5.0	1.5.0

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