Signal K Server <= 2.18.0 - Information Disclosure

Signal K Server versions up to and including 2.18.0 expose the /skServer/serialports, /skServer/availablePaths, and /skServer/hasAnalyzer endpoints without authentication. These routes were missing from the authentication middleware configuration, letting any unauthenticated user retrieve the ful...

PT-2026-6415

Note This is a separate issue from the RCE vulnerability State Pollution currently being patched. While related to tokensecurity.js, it involves different endpoints and risks. Summary An unauthenticated information disclosure vulnerability allows any user to retrieve sensitive system information,...