CVE-2025-66398

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 "Restor...

GHSA-W3X5-7C4C-66P9 Signal K Server has Unauthenticated State Pollution leading to Remote Code Execution (RCE)

Summary 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,...

PT-2026-1015

Name of the Vulnerable Software and Affected Versions Signal K Server versions prior to 2.19.0 Description Signal K Server, a server application used on boats, is susceptible to an issue where an unauthenticated attacker can manipulate the server's internal state. This manipulation occurs through...