CVE-2026-41893

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.25.0, the HTTP login endpoints POST /login and POST /signalk/v1/auth/login are protected by express-rate-limit default: 100 attempts per 10-minute window, configurable via HTTPRATELIMITS. The WebSocke...

CVE-2026-41893

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.25.0, the HTTP login endpoints POST /login and POST /signalk/v1/auth/login are protected by express-rate-limit default: 100 attempts per 10-minute window, configurable via HTTPRATELIMITS. The WebSocke...

EUVD-2026-28922

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.25.0, the HTTP login endpoints POST /login and POST /signalk/v1/auth/login are protected by express-rate-limit default: 100 attempts per 10-minute window, configurable via HTTPRATELIMITS. The WebSocke...

CVE-2026-41893

Signal K Server’s WebSocket login path (via ws signalk/v1/stream) processes login attempts without rate limiting, enabling credential brute‑forcing at ~20 attempts/sec per WebSocket connection and bypassing HTTP rate limiting. Affected cve: CVE-2026-41893 concerns pre‑2.25.0 behavior. Technical d...

CVE-2026-41893 Signal K Server's WebSocket Login Endpoint Lacks Rate Limiting (Credential Brute-Force)

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.25.0, the HTTP login endpoints POST /login and POST /signalk/v1/auth/login are protected by express-rate-limit default: 100 attempts per 10-minute window, configurable via HTTPRATELIMITS. The WebSocke...

CVE-2026-41893 Signal K Server's WebSocket Login Endpoint Lacks Rate Limiting (Credential Brute-Force)

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.25.0, the HTTP login endpoints POST /login and POST /signalk/v1/auth/login are protected by express-rate-limit default: 100 attempts per 10-minute window, configurable via HTTPRATELIMITS. The WebSocke...

CVE-2026-41893

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.25.0, the HTTP login endpoints POST /login and POST /signalk/v1/auth/login are protected by express-rate-limit default: 100 attempts per 10-minute window, configurable via HTTPRATELIMITS. The WebSocke...

CVE-2026-41893 Signal K Server's WebSocket Login Endpoint Lacks Rate Limiting (Credential Brute-Force)

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.25.0, the HTTP login endpoints POST /login and POST /signalk/v1/auth/login are protected by express-rate-limit default: 100 attempts per 10-minute window, configurable via HTTPRATELIMITS. The WebSocke...

CVE-2026-41893: Improper Restriction of Excessive Authentication Attempts

Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.25.0, the HTTP login endpoints POST /login and POST /signalk/v1/auth/login are protected by express-rate-limit default: 100 attempts per 10-minute window, configurable via HTTPRATELIMITS. The WebSocke...

Signal K Server security vulnerability

The Signal K Server is an open-source marine central server developed by Signal K. Versions of the Signal K Server prior to 2.25.0 contained a security vulnerability. This vulnerability stemmed from the lack of rate limiting on the WebSocket login path, allowing attackers to bypass the HTTP rate...

Brute Force

Overview signalk-server is an An implementation of a Signal K server for boats. Affected versions of this package are vulnerable to Brute Force via the processLoginRequest function. An attacker can gain unauthorized access by sending unlimited authentication attempts over a WebSocket connection,...

Signal K Server's WebSocket Login Endpoint Lacks Rate Limiting (Credential Brute-Force)

Summary The HTTP login endpoints POST /login and POST /signalk/v1/auth/login are protected by express-rate-limit default: 100 attempts per 10-minute window, configurable via HTTPRATELIMITS. The WebSocket login path — sending login: username, password messages over an established WebSocket...

GHSA-VMFM-CH9H-5C7G Signal K Server's WebSocket Login Endpoint Lacks Rate Limiting (Credential Brute-Force)

Summary The HTTP login endpoints POST /login and POST /signalk/v1/auth/login are protected by express-rate-limit default: 100 attempts per 10-minute window, configurable via HTTPRATELIMITS. The WebSocket login path — sending login: username, password messages over an established WebSocket...

PT-2026-37162

Name of the Vulnerable Software and Affected Versions Signal K Server versions prior to 2.25.0 Description The WebSocket login path, which involves sending login: username, password messages over an established connection, calls the app.securityStrategy.login function directly without rate...