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...

cve-2025-66398

CVE-2025-66398 — Signal K サーバー RCE PoC 📜 説明 CVE-2025-66398 は Signal K Server の問題であり、認証されていない攻撃者が /skServer/validateBackup を介してサーバーの復元状態を汚染し、その後 /skServer/restore を介して設定を乗っ取り、バックドア管理者アカウントを注入し、（オプションで）セキュリティ戦略を攻撃者が制御する Node.js モジュールに切り替えることで RCE を達成できるものです。 影響を受けるバージョン: Signal K Server ≤ 2.18.0...

cve-2025-66398

⚠️ cve-2025-66398 - Simple RCE Proof of Concept Tool ⚙️ このツールについて このプロジェクトは、Signal K Server バージョン 2.18.0 以前におけるリモートコード実行（RCE）の脆弱性を示しています。この Proof of Concept（PoC）は、攻撃者が脆弱なデバイス上でコマンドを実行する方法を示しています。...

CVE-2026-55591

Signal K Server is a server application that runs on a central hub in a boat. Prior to 2.28.0, makeRemoteRequest in src/serverroutes.ts accepted attacker-controlled host, port, useTLS, and selfsignedcert parameters from the testSignalKConnection, requestAccess, and checkAccessRequest endpoints...

CVE-2026-55591 Signal K Server: Server-Side Request Forgery via Remote Connection Endpoints

Signal K Server is a server application that runs on a central hub in a boat. Prior to 2.28.0, makeRemoteRequest in src/serverroutes.ts accepted attacker-controlled host, port, useTLS, and selfsignedcert parameters from the testSignalKConnection, requestAccess, and checkAccessRequest endpoints...

CVE-2026-55591 Signal K Server: Server-Side Request Forgery via Remote Connection Endpoints

Signal K Server is a server application that runs on a central hub in a boat. Prior to 2.28.0, makeRemoteRequest in src/serverroutes.ts accepted attacker-controlled host, port, useTLS, and selfsignedcert parameters from the testSignalKConnection, requestAccess, and checkAccessRequest endpoints...

EUVD-2026-78677

Signal K Server is a server application that runs on a central hub in a boat. Prior to 2.28.0, makeRemoteRequest in src/serverroutes.ts accepted attacker-controlled host, port, useTLS, and selfsignedcert parameters from the testSignalKConnection, requestAccess, and checkAccessRequest endpoints...

CVE-2026-55591 Signal K Server: Server-Side Request Forgery via Remote Connection Endpoints

Signal K Server is a server application that runs on a central hub in a boat. Prior to 2.28.0, makeRemoteRequest in src/serverroutes.ts accepted attacker-controlled host, port, useTLS, and selfsignedcert parameters from the testSignalKConnection, requestAccess, and checkAccessRequest endpoints...

CVE-2026-55591

Signal K Server (signalk-server, a boat central-hub server application) versions up to 2.27.0 contain a Server-Side Request Forgery (SSRF) in makeRemoteRequest() within src/serverroutes.ts. The function accepts attacker-controlled host, port, useTLS, and selfsignedcert parameters via the testSign...

CVE-2026-55591: Server-Side Request Forgery (SSRF)

Signal K Server is a server application that runs on a central hub in a boat. Prior to 2.28.0, makeRemoteRequest in src/serverroutes.ts accepted attacker-controlled host, port, useTLS, and selfsignedcert parameters from the testSignalKConnection, requestAccess, and checkAccessRequest endpoints...

Signal K Server: Server-Side Request Forgery via Remote Connection Endpoints

Summary signalk-server versions up to and including 2.27.0 contain a Server-Side Request Forgery SSRF vulnerability in three administrative endpoints used for remote Signal K server connection management. The makeRemoteRequest function accepts attacker-controlled host, port, useTLS, and...

NPM: Signal K Server: Server-Side Request Forgery via Remote Connection Endpoints

NPM: Signal K Server: Server-Side Request Forgery via Remote Connection Endpoints vulnerability discovered by ? in WordPress Npm signalk-server versions = 2.27.0...

GHSA-Q59X-JC9F-GFQF Signal K Server: Server-Side Request Forgery via Remote Connection Endpoints

Summary signalk-server versions up to and including 2.27.0 contain a Server-Side Request Forgery SSRF vulnerability in three administrative endpoints used for remote Signal K server connection management. The makeRemoteRequest function accepts attacker-controlled host, port, useTLS, and...

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...

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 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: 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...