# signalk-server (npm) vulnerabilities Source: https://junglewise.ai/threats/technologies/signalk-server Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/signalk-server.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 17 vulnerabilities in signalk-server (npm): 1 in the last 7 days and 4 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. 2 vulnerabilities in the last four weeks, up 100% on the four before (1). 1 critical against 0. ## Counts - Last 7 days: 1 - Last 30 days: 3 - Last 90 days: 4 - All time: 17 (4 critical, 0 exploited in the wild) ## About signalk-server (npm) Signal K server implementation for marine data processing and distribution. ## Latest signalk-server (npm) 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) - [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-2026-115752: 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-2026-55591: Signal K Server SSRF in remote connection endpoints](https://junglewise.ai/threats/cve-2026-55591-signal-k-server-ssrf-in-remote-connection-endpoints) (medium, CVSS 5.8, published 15 Sep 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-2026-39320: 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-2026-35038: SignalK signalk-server arbitrary prototype read in applicationData](https://junglewise.ai/threats/cve-2026-35038-signalk-signalk-server-arbitrary-prototype-read-in) (medium, CVSS 6.5, published 2 Apr 2026) - [CVE-2026-34083: Signal K Server OAuth code theft via unvalidated Host header in OIDC](https://junglewise.ai/threats/cve-2026-34083-signal-k-server-oauth-code-theft-via-unvalidated-host-header-in) (medium, CVSS 6.1, published 2 Apr 2026) - [CVE-2026-33951: SignalK Signal K Server authentication bypass in sourcePriorities endpoint](https://junglewise.ai/threats/cve-2026-33951-signalk-signal-k-server-authentication-bypass-in-sourcepriorities) (high, CVSS 7.5, published 2 Apr 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-2026-25228: SignalK Server path traversal in applicationData API](https://junglewise.ai/threats/cve-2026-25228-signalk-server-path-traversal-in-applicationdata-api) (low, CVSS 3.1, published 2 Feb 2026) - [CVE-2025-69203: Signal K Server access request spoofing via X-Forwarded-For header](https://junglewise.ai/threats/cve-2025-69203-signal-k-server-access-request-spoofing-via-x-forwarded-for) (medium, CVSS 6.3, published 1 Jan 2026) - [CVE-2025-68620: Signal K Server JWT token theft via WebSocket enumeration](https://junglewise.ai/threats/cve-2025-68620-signal-k-server-jwt-token-theft-via-websocket-enumeration) (critical, CVSS 9.1, published 1 Jan 2026) - [CVE-2025-68619: Signal K Server remote code execution via malicious npm package installation](https://junglewise.ai/threats/cve-2025-68619-signal-k-server-remote-code-execution-via-malicious-npm-package) (high, CVSS 7.2, published 1 Jan 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-server (npm) vulnerabilities - [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-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-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-2025-68620: Signal K Server JWT token theft via WebSocket enumeration](https://junglewise.ai/threats/cve-2025-68620-signal-k-server-jwt-token-theft-via-websocket-enumeration) (critical, CVSS 9.1, 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-2026-33951: SignalK Signal K Server authentication bypass in sourcePriorities endpoint](https://junglewise.ai/threats/cve-2026-33951-signalk-signal-k-server-authentication-bypass-in-sourcepriorities) (high, CVSS 7.5, 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) - [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-2025-68619: Signal K Server remote code execution via malicious npm package installation](https://junglewise.ai/threats/cve-2025-68619-signal-k-server-remote-code-execution-via-malicious-npm-package) (high, CVSS 7.2, published 1 Jan 2026) - [CVE-2026-35038: SignalK signalk-server arbitrary prototype read in applicationData](https://junglewise.ai/threats/cve-2026-35038-signalk-signalk-server-arbitrary-prototype-read-in) (medium, CVSS 6.5, published 2 Apr 2026) ## Vulnerabilities per week 2 vulnerabilities in the last four weeks, up 100% on the four before (1). 1 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 | 1 | 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 | 1 | 1 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 1 | 0 | 0 | ## Other npm technologies - [openclaw (npm)](https://junglewise.ai/threats/technologies/npm-openclaw): 214 vulnerabilities - [flowise (npm)](https://junglewise.ai/threats/technologies/flowise): 133 vulnerabilities - [parse-server (npm)](https://junglewise.ai/threats/technologies/parse-server): 117 vulnerabilities - [vm2 (npm)](https://junglewise.ai/threats/technologies/vm2): 111 vulnerabilities - [electron (npm)](https://junglewise.ai/threats/technologies/electron): 77 vulnerabilities - [ghost (npm)](https://junglewise.ai/threats/technologies/ghost): 74 vulnerabilities - [n8n (npm)](https://junglewise.ai/threats/technologies/npm-n8n): 64 vulnerabilities - [hono (npm)](https://junglewise.ai/threats/technologies/hono): 62 vulnerabilities - [directus (npm)](https://junglewise.ai/threats/technologies/directus): 61 vulnerabilities - [nocodb (npm)](https://junglewise.ai/threats/technologies/nocodb): 54 vulnerabilities - [undici (npm)](https://junglewise.ai/threats/technologies/undici): 53 vulnerabilities - [@budibase/server (npm)](https://junglewise.ai/threats/technologies/budibase-server): 42 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, "signalk-server (npm) vulnerabilities", https://junglewise.ai/threats/technologies/signalk-server, 13 November 2026.