Description


Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.19.0, an unauthenticated attacker can pollute the internal state (`restoreFilePath`) of the server via the `/skServer/validateBackup` endpoint. This allows the attacker to hijack the administrator's "Restore" functionality to overwrite critical server configuration files (e.g., `security.json`, `package.json`), leading to account takeover and Remote Code Execution (RCE). Version 2.19.0 patches this vulnerability.

Related CPE's


Weaknesses



CWE-78CWE-913

CVSS impact metrics


CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

9.6 · Critical

Information


Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2026-01-01T18:15:40.550Z

2 weeks ago

Last modified

2026-01-06T18:34:31.007Z

1 week ago