# Signal K vulnerabilities

Source: https://junglewise.ai/threats/vendors/signal-k  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/signal-k.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 8 vulnerabilities in Signal K: 2 in the last 7 days and 5 in the last 90 days, 4 of them critical and 0 exploited in the wild. The most recent, Signal K Server buffered logs exposure in unauthenticated WebSocket, was published on 12 November 2026. 3 vulnerabilities in the last four weeks, up from none in the four before. 2 critical against 0. 1 technology has a page of its own.

## Counts

- Last 7 days: 2
- Last 30 days: 5
- Last 90 days: 5
- All time: 8 (4 critical, 0 exploited in the wild)

## About Signal K

An open data standard and ecosystem for marine data exchange.

## Latest Signal K vulnerabilities

- [Signal K Server buffered logs exposure in unauthenticated WebSocket](https://junglewise.ai/threats/signal-k-server-buffered-logs-exposed-to-unauthenticated-websocket-b7032aad) (medium, CVSS 5.3, published 12 Nov 2026)
- [CVE-2026-123807: Signal K Server path traversal in REST resources endpoint](https://junglewise.ai/threats/cve-2026-123807-signal-k-server-is-a-server-application-that-runs-on-a-central) (critical, CVSS 9.8, published 9 Nov 2026)
- [Signal K resources API path traversal and RCE](https://junglewise.ai/threats/signal-k-resources-api-path-traversal-can-disclose-the-jwt-signing-0c6398ee) (critical, CVSS 9.8, published 30 Oct 2026)
- [CVE-2026-118690: Signal K Server missing authentication in log download](https://junglewise.ai/threats/cve-2026-118690-signal-k-server-before-2-33-0-contains-a-missing-authentication) (critical, CVSS 9.8, published 28 Oct 2026)
- [CVE-2026-115752: Signal K Server SSRF in App Store icon fetcher](https://junglewise.ai/threats/cve-2026-115752-signal-k-server-from-2-28-0-beta-2-before-2-34-0-contains-a) (medium, CVSS 4.2, published 23 Oct 2026)
- [CVE-2026-41893: SignalK Signal K Server brute-force protection bypass in WebSocket login](https://junglewise.ai/threats/cve-2026-41893-signalk-signal-k-server-brute-force-protection-bypass-in) (high, CVSS 7.5, published 9 May 2026)
- [CVE-2026-33950: SignalK Signal K Server privilege escalation in /enableSecurity](https://junglewise.ai/threats/cve-2026-33950-signalk-signal-k-server-privilege-escalation-in-enablesecurity) (critical, CVSS 9.4, published 2 Apr 2026)
- [CVE-2026-23515: Signal K set-system-time plugin command injection RCE](https://junglewise.ai/threats/cve-2026-23515-signal-k-set-system-time-plugin-command-injection-rce) (low, CVSS 3.1, published 2 Feb 2026)

## Most severe Signal K vulnerabilities

- [CVE-2026-123807: Signal K Server path traversal in REST resources endpoint](https://junglewise.ai/threats/cve-2026-123807-signal-k-server-is-a-server-application-that-runs-on-a-central) (critical, CVSS 9.8, published 9 Nov 2026)
- [Signal K resources API path traversal and RCE](https://junglewise.ai/threats/signal-k-resources-api-path-traversal-can-disclose-the-jwt-signing-0c6398ee) (critical, CVSS 9.8, published 30 Oct 2026)
- [CVE-2026-118690: Signal K Server missing authentication in log download](https://junglewise.ai/threats/cve-2026-118690-signal-k-server-before-2-33-0-contains-a-missing-authentication) (critical, CVSS 9.8, published 28 Oct 2026)
- [CVE-2026-33950: SignalK Signal K Server privilege escalation in /enableSecurity](https://junglewise.ai/threats/cve-2026-33950-signalk-signal-k-server-privilege-escalation-in-enablesecurity) (critical, CVSS 9.4, published 2 Apr 2026)
- [CVE-2026-41893: SignalK Signal K Server brute-force protection bypass in WebSocket login](https://junglewise.ai/threats/cve-2026-41893-signalk-signal-k-server-brute-force-protection-bypass-in) (high, CVSS 7.5, published 9 May 2026)
- [Signal K Server buffered logs exposure in unauthenticated WebSocket](https://junglewise.ai/threats/signal-k-server-buffered-logs-exposed-to-unauthenticated-websocket-b7032aad) (medium, CVSS 5.3, published 12 Nov 2026)
- [CVE-2026-115752: Signal K Server SSRF in App Store icon fetcher](https://junglewise.ai/threats/cve-2026-115752-signal-k-server-from-2-28-0-beta-2-before-2-34-0-contains-a) (medium, CVSS 4.2, published 23 Oct 2026)
- [CVE-2026-23515: Signal K set-system-time plugin command injection RCE](https://junglewise.ai/threats/cve-2026-23515-signal-k-set-system-time-plugin-command-injection-rce) (low, CVSS 3.1, published 2 Feb 2026)

## Vulnerabilities per week

3 vulnerabilities in the last four weeks, up from none in the four before. 2 critical against 0.

| 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 | 1 | 0 | 0 |
| 26 Oct 2026 | 2 | 2 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 2 | 1 | 0 |

## Signal K technologies

- [Signal K Server](https://junglewise.ai/threats/technologies/signal-k-server): 7 vulnerabilities

## 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, "Signal K vulnerabilities", https://junglewise.ai/threats/vendors/signal-k, 13 November 2026.
