# Signalk Signal K Server vulnerabilities

Source: https://junglewise.ai/threats/technologies/signalk-signal-k-server  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/signalk-signal-k-server.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Signalk Signal K Server: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-39320, was published on 21 April 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 4 (1 critical, 0 exploited in the wild)

## About Signalk Signal K Server

Node.js server implementation that provides Signal K data handling and API access for maritime applications.

## Latest Signalk Signal K Server vulnerabilities

- [CVE-2026-39320: Signal K Server has an Unauthenticated Regular Expression Denial of Service (ReDoS) via WebSocket Subscription Paths](https://junglewise.ai/threats/cve-2026-39320-signal-k-server-has-an-unauthenticated-regular-expression-denial) (high, CVSS 7.5, published 21 Apr 2026)
- [CVE-2025-68273: Signal K Server Vulnerable to Unauthenticated Information Disclosure via Exposed Endpoints](https://junglewise.ai/threats/cve-2025-68273-signal-k-server-vulnerable-to-unauthenticated-information) (medium, CVSS 5.3, published 1 Jan 2026)
- [CVE-2025-68272: Signal K Server Vulnerable to Denial of Service via Unrestricted Access Request Flooding](https://junglewise.ai/threats/cve-2025-68272-signal-k-server-vulnerable-to-denial-of-service-via-unrestricted) (high, CVSS 7.5, published 1 Jan 2026)
- [CVE-2025-66398: Signal K Server has Unauthenticated State Pollution leading to Remote Code Execution (RCE)](https://junglewise.ai/threats/cve-2025-66398-signal-k-server-has-unauthenticated-state-pollution-leading-to) (critical, CVSS 9.6, published 1 Jan 2026)

## Most severe Signalk Signal K Server vulnerabilities

- [CVE-2025-66398: Signal K Server has Unauthenticated State Pollution leading to Remote Code Execution (RCE)](https://junglewise.ai/threats/cve-2025-66398-signal-k-server-has-unauthenticated-state-pollution-leading-to) (critical, CVSS 9.6, published 1 Jan 2026)
- [CVE-2025-68272: Signal K Server Vulnerable to Denial of Service via Unrestricted Access Request Flooding](https://junglewise.ai/threats/cve-2025-68272-signal-k-server-vulnerable-to-denial-of-service-via-unrestricted) (high, CVSS 7.5, published 1 Jan 2026)
- [CVE-2026-39320: Signal K Server has an Unauthenticated Regular Expression Denial of Service (ReDoS) via WebSocket Subscription Paths](https://junglewise.ai/threats/cve-2026-39320-signal-k-server-has-an-unauthenticated-regular-expression-denial) (high, CVSS 7.5, published 21 Apr 2026)
- [CVE-2025-68273: Signal K Server Vulnerable to Unauthenticated Information Disclosure via Exposed Endpoints](https://junglewise.ai/threats/cve-2025-68273-signal-k-server-vulnerable-to-unauthenticated-information) (medium, CVSS 5.3, published 1 Jan 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Signalk Signal K Server vulnerabilities", https://junglewise.ai/threats/technologies/signalk-signal-k-server, 9 November 2026.