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 - Simple RCE Proof of Concept Tool ⚙️ About This Tool This project demonstrates a remote code execution RCE vulnerability in Signal K Server versions 2.18.0 and earlier. The proof of concept PoC shows how an attacker could run commands on a vulnerable device. This tool is designed...

cve-2025-66398

CVE-2025-66398 — Signal K Server RCE PoC 📜 Description CVE-2025-66398 is a Signal K Server issue where an unauthenticated attacker can poison the server’s restore state via /skServer/validateBackup, then hijack config via /skServer/restore to inject a backdoor admin account and optionally achieve...

GHSA-4XM8-RG9H-JHQ2 Signal K resources API path traversal can disclose the JWT signing secret and enable remote code execution

Summary Path traversal in the Signal K resources and applicationData APIs lets an unauthenticated or low-privileged user read, write and delete files outside the storage root. Reading /security.json discloses the JWT signing secret, enabling admin token forgery and remote code execution. Details...

Signal K resources API path traversal can disclose the JWT signing secret and enable remote code execution

Summary Path traversal in the Signal K resources and applicationData APIs lets an unauthenticated or low-privileged user read, write and delete files outside the storage root. Reading /security.json discloses the JWT signing secret, enabling admin token forgery and remote code execution. Details...

EUVD-2026-112491

Signal K Server before 2.33.0 contains a missing authentication vulnerability that allows unauthenticated remote attackers to download log archives via the /skServer/ziplogs endpoint. Attackers can extract the JWT secretKey from security.json in the ZIP, forge administrator tokens, and create...

CVE-2026-118690

Signal K Server before 2.33.0 contains a missing authentication vulnerability that allows unauthenticated remote attackers to download log archives via the /skServer/ziplogs endpoint. Attackers can extract the JWT secretKey from security.json in the ZIP, forge administrator tokens, and create...

CVE-2026-118690 Signal K Server before 2.33.0 Missing Authentication via /skServer/ziplogs

Signal K Server before 2.33.0 contains a missing authentication vulnerability that allows unauthenticated remote attackers to download log archives via the /skServer/ziplogs endpoint. Attackers can extract the JWT secretKey from security.json in the ZIP, forge administrator tokens, and create...

CVE-2026-118690

The Signal K Server version before 2.33.0 is vulnerable to a missing authentication flaw in the /skServer/ziplogs endpoint. This vulnerability allows unauthenticated remote attackers to download log archives containing a security.json file. By extracting the JWT secretKey from this file, an attac...

CVE-2026-118690 Signal K Server before 2.33.0 Missing Authentication via /skServer/ziplogs

Signal K Server before 2.33.0 contains a missing authentication vulnerability that allows unauthenticated remote attackers to download log archives via the /skServer/ziplogs endpoint. Attackers can extract the JWT secretKey from security.json in the ZIP, forge administrator tokens, and create...

CVE-2026-118690 Signal K Server before 2.33.0 Missing Authentication via /skServer/ziplogs

Signal K Server before 2.33.0 contains a missing authentication vulnerability that allows unauthenticated remote attackers to download log archives via the /skServer/ziplogs endpoint. Attackers can extract the JWT secretKey from security.json in the ZIP, forge administrator tokens, and create...

CVE-2026-118690

Signal K Server before 2.33.0 contains a missing authentication vulnerability that allows unauthenticated remote attackers to download log archives via the /skServer/ziplogs endpoint. Attackers can extract the JWT secretKey from security.json in the ZIP, forge administrator tokens, and create...

PT-2026-129193

Signal K Server before 2.33.0 contains a missing authentication vulnerability that allows unauthenticated remote attackers to download log archives via the /skServer/ziplogs endpoint. Attackers can extract the JWT secretKey from security.json in the ZIP, forge administrator tokens, and create...

CVE-2026-118690: SignalK signalk-server: Signal K Server before 2.33.0 contains a missing authentication vulnerability that allows unauthenticated remote…

Signal K Server before 2.33.0 contains a missing authentication vulnerability that allows unauthenticated remote attackers to download log archives via the /skServer/ziplogs endpoint. Attackers can extract the JWT secretKey from security.json in the ZIP, forge administrator tokens, and create...

CVE-2026-115752

Signal K Server from 2.28.0-beta.2 before 2.34.0 contains a server-side request forgery vulnerability in the App Store icon fetcher that trusts absolute signalk.appIcon URLs. Attackers publishing npm packages with Signal K keywords can make servers request loopback, vessel network, or cloud...

CVE-2026-115752 Signal K Server 2.28.0-beta.2 before 2.34.0 SSRF via App Store appIcon

Signal K Server from 2.28.0-beta.2 before 2.34.0 contains a server-side request forgery vulnerability in the App Store icon fetcher that trusts absolute signalk.appIcon URLs. Attackers publishing npm packages with Signal K keywords can make servers request loopback, vessel network, or cloud...

CVE-2026-115752 Signal K Server 2.28.0-beta.2 before 2.34.0 SSRF via App Store appIcon

Signal K Server from 2.28.0-beta.2 before 2.34.0 contains a server-side request forgery vulnerability in the App Store icon fetcher that trusts absolute signalk.appIcon URLs. Attackers publishing npm packages with Signal K keywords can make servers request loopback, vessel network, or cloud...

CVE-2026-115752

Signal K Server from 2.28.0-beta.2 before 2.34.0 contains a server-side request forgery vulnerability in the App Store icon fetcher that trusts absolute signalk.appIcon URLs. Attackers publishing npm packages with Signal K keywords can make servers request loopback, vessel network, or cloud...

CVE-2026-115752

The Signal K Server (versions 2.28.0-beta.2 before 2.34.0 ) is vulnerable to a Server-Side Request Forgery (SSRF) in its App Store icon fetcher. The root cause is that the fetcher trusts absolute signalk.appIcon URLs. This allows attackers who publish npm packages containing Signal K keywords to ...

CVE-2026-115752 Signal K Server 2.28.0-beta.2 before 2.34.0 SSRF via App Store appIcon

Signal K Server from 2.28.0-beta.2 before 2.34.0 contains a server-side request forgery vulnerability in the App Store icon fetcher that trusts absolute signalk.appIcon URLs. Attackers publishing npm packages with Signal K keywords can make servers request loopback, vessel network, or cloud...