{"schema_version":1,"title":"signalk-server (npm) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 14 vulnerabilities in signalk-server (npm): 0 in the last 7 days and 1 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-55591, was published on 15 September 2026.","url":"https://junglewise.ai/threats/technologies/signalk-server","json_url":"https://junglewise.ai/threats/technologies/signalk-server.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/signalk-server","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":4,"all_time":14,"critical":2,"exploited":0,"last_7_days":0,"last_30_days":1,"last_90_days":1,"last_365_days":14},"latest":[{"cve":"CVE-2026-55591","cvss":5.8,"epss":0.003,"slug":"cve-2026-55591-signal-k-server-ssrf-in-remote-connection-endpoints","title":"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 ac","severity":"medium","exploited":false,"published_at":"2026-09-15T16:17:14.703+00:00","url":"https://junglewise.ai/threats/cve-2026-55591-signal-k-server-ssrf-in-remote-connection-endpoints"},{"cve":"CVE-2026-41893","cvss":7.5,"epss":0.0051,"slug":"cve-2026-41893-signalk-signal-k-server-brute-force-protection-bypass-in","title":"SignalK Signal K Server brute-force protection bypass in WebSocket login","severity":"high","exploited":false,"published_at":"2026-05-09T20:16:27.273+00:00","url":"https://junglewise.ai/threats/cve-2026-41893-signalk-signal-k-server-brute-force-protection-bypass-in"},{"cve":"CVE-2026-39320","cvss":7.5,"epss":0.0066,"slug":"cve-2026-39320-signal-k-server-has-an-unauthenticated-regular-expression-denial","title":"Signal K Server has an Unauthenticated Regular Expression Denial of Service (ReDoS) via WebSocket Subscription Paths","severity":"high","exploited":false,"published_at":"2026-04-21T17:17:00+00:00","url":"https://junglewise.ai/threats/cve-2026-39320-signal-k-server-has-an-unauthenticated-regular-expression-denial"},{"cve":"CVE-2026-35038","cvss":6.5,"epss":0.0041,"slug":"cve-2026-35038-signalk-signalk-server-arbitrary-prototype-read-in","title":"SignalK signalk-server arbitrary prototype read in applicationData","severity":"medium","exploited":false,"published_at":"2026-04-02T17:16:27.163+00:00","url":"https://junglewise.ai/threats/cve-2026-35038-signalk-signalk-server-arbitrary-prototype-read-in"},{"cve":"CVE-2026-34083","cvss":6.1,"epss":0.0014,"slug":"cve-2026-34083-signal-k-server-oauth-code-theft-via-unvalidated-host-header-in","title":"Signal K Server OAuth code theft via unvalidated Host header in OIDC","severity":"medium","exploited":false,"published_at":"2026-04-02T17:16:23.403+00:00","url":"https://junglewise.ai/threats/cve-2026-34083-signal-k-server-oauth-code-theft-via-unvalidated-host-header-in"},{"cve":"CVE-2026-33951","cvss":7.5,"epss":0.0054,"slug":"cve-2026-33951-signalk-signal-k-server-authentication-bypass-in-sourcepriorities","title":"SignalK Signal K Server authentication bypass in sourcePriorities endpoint","severity":"high","exploited":false,"published_at":"2026-04-02T17:16:23.2+00:00","url":"https://junglewise.ai/threats/cve-2026-33951-signalk-signal-k-server-authentication-bypass-in-sourcepriorities"},{"cve":"CVE-2026-33950","cvss":9.4,"epss":0.0048,"slug":"cve-2026-33950-signalk-signal-k-server-privilege-escalation-in-enablesecurity","title":"SignalK Signal K Server privilege escalation in /enableSecurity","severity":"critical","exploited":false,"published_at":"2026-04-02T17:16:22.993+00:00","url":"https://junglewise.ai/threats/cve-2026-33950-signalk-signal-k-server-privilege-escalation-in-enablesecurity"},{"cve":"CVE-2026-25228","cvss":3.1,"epss":0.0041,"slug":"cve-2026-25228-signalk-server-path-traversal-in-applicationdata-api","title":"SignalK Server path traversal in applicationData API","severity":"low","exploited":false,"published_at":"2026-02-02T22:26:31+00:00","url":"https://junglewise.ai/threats/cve-2026-25228-signalk-server-path-traversal-in-applicationdata-api"},{"cve":"CVE-2025-68620","cvss":3.1,"epss":0.0055,"slug":"cve-2025-68620-signal-k-server-jwt-token-theft-via-websocket-enumeration","title":"Signal K Server JWT token theft via WebSocket enumeration","severity":"low","exploited":false,"published_at":"2026-01-02T15:28:54+00:00","url":"https://junglewise.ai/threats/cve-2025-68620-signal-k-server-jwt-token-theft-via-websocket-enumeration"},{"cve":"CVE-2025-69203","cvss":3.1,"epss":0.0031,"slug":"cve-2025-69203-signal-k-server-access-request-spoofing-via-x-forwarded-for","title":"Signal K Server access request spoofing via X-Forwarded-For header","severity":"low","exploited":false,"published_at":"2026-01-02T15:26:11+00:00","url":"https://junglewise.ai/threats/cve-2025-69203-signal-k-server-access-request-spoofing-via-x-forwarded-for"},{"cve":"CVE-2025-68619","cvss":3.1,"epss":0.0073,"slug":"cve-2025-68619-signal-k-server-remote-code-execution-via-malicious-npm-package","title":"Signal K Server remote code execution via malicious npm package installation","severity":"low","exploited":false,"published_at":"2026-01-02T15:23:39+00:00","url":"https://junglewise.ai/threats/cve-2025-68619-signal-k-server-remote-code-execution-via-malicious-npm-package"},{"cve":"CVE-2025-68273","cvss":5.3,"epss":0.0038,"slug":"cve-2025-68273-signal-k-server-vulnerable-to-unauthenticated-information","title":"Signal K Server Vulnerable to Unauthenticated Information Disclosure via Exposed Endpoints","severity":"medium","exploited":false,"published_at":"2026-01-02T15:22:11+00:00","url":"https://junglewise.ai/threats/cve-2025-68273-signal-k-server-vulnerable-to-unauthenticated-information"},{"cve":"CVE-2025-68272","cvss":7.5,"epss":0.0057,"slug":"cve-2025-68272-signal-k-server-vulnerable-to-denial-of-service-via-unrestricted","title":"Signal K Server Vulnerable to Denial of Service via Unrestricted Access Request Flooding","severity":"high","exploited":false,"published_at":"2026-01-02T15:20:05+00:00","url":"https://junglewise.ai/threats/cve-2025-68272-signal-k-server-vulnerable-to-denial-of-service-via-unrestricted"},{"cve":"CVE-2025-66398","cvss":9.6,"epss":0.2013,"slug":"cve-2025-66398-signal-k-server-has-unauthenticated-state-pollution-leading-to","title":"Signal K Server has Unauthenticated State Pollution leading to Remote Code Execution (RCE)","severity":"critical","exploited":false,"published_at":"2026-01-02T15:11:49+00:00","url":"https://junglewise.ai/threats/cve-2025-66398-signal-k-server-has-unauthenticated-state-pollution-leading-to"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"flowise (npm)","slug":"flowise","vulnerabilities":156,"url":"https://junglewise.ai/threats/technologies/flowise"},{"name":"vm2 (npm)","slug":"vm2","vulnerabilities":83,"url":"https://junglewise.ai/threats/technologies/vm2"},{"name":"@budibase/server (npm)","slug":"budibase-server","vulnerabilities":61,"url":"https://junglewise.ai/threats/technologies/budibase-server"},{"name":"directus (npm)","slug":"directus","vulnerabilities":60,"url":"https://junglewise.ai/threats/technologies/directus"},{"name":"nocodb (npm)","slug":"nocodb","vulnerabilities":55,"url":"https://junglewise.ai/threats/technologies/nocodb"},{"name":"hono (npm)","slug":"hono","vulnerabilities":54,"url":"https://junglewise.ai/threats/technologies/hono"},{"name":"parse-server (npm)","slug":"parse-server","vulnerabilities":42,"url":"https://junglewise.ai/threats/technologies/parse-server"},{"name":"dompurify (npm)","slug":"dompurify","vulnerabilities":39,"url":"https://junglewise.ai/threats/technologies/dompurify"},{"name":"ghost (npm)","slug":"ghost","vulnerabilities":39,"url":"https://junglewise.ai/threats/technologies/ghost"},{"name":"flowise-components (npm)","slug":"flowise-components","vulnerabilities":35,"url":"https://junglewise.ai/threats/technologies/flowise-components"},{"name":"astro (npm)","slug":"astro","vulnerabilities":30,"url":"https://junglewise.ai/threats/technologies/astro"},{"name":"@anthropic-ai/claude-code (npm)","slug":"anthropic-ai-claude-code","vulnerabilities":28,"url":"https://junglewise.ai/threats/technologies/anthropic-ai-claude-code"}],"technology":{"hub":true,"name":"signalk-server (npm)","slug":"signalk-server","vendor":{"name":"npm","slug":"npm","url":"https://junglewise.ai/threats/vendors/npm"},"aliases":[],"homepage":"https://signalk.org/","repo_url":"https://github.com/SignalK/signalk-server","description":"An implementation of a Signal K server for marine data exchange.","url":"https://junglewise.ai/threats/technologies/signalk-server"},"most_severe":[{"cve":"CVE-2025-66398","cvss":9.6,"epss":0.2013,"slug":"cve-2025-66398-signal-k-server-has-unauthenticated-state-pollution-leading-to","title":"Signal K Server has Unauthenticated State Pollution leading to Remote Code Execution (RCE)","severity":"critical","exploited":false,"published_at":"2026-01-02T15:11:49+00:00","url":"https://junglewise.ai/threats/cve-2025-66398-signal-k-server-has-unauthenticated-state-pollution-leading-to"},{"cve":"CVE-2026-33950","cvss":9.4,"epss":0.0048,"slug":"cve-2026-33950-signalk-signal-k-server-privilege-escalation-in-enablesecurity","title":"SignalK Signal K Server privilege escalation in /enableSecurity","severity":"critical","exploited":false,"published_at":"2026-04-02T17:16:22.993+00:00","url":"https://junglewise.ai/threats/cve-2026-33950-signalk-signal-k-server-privilege-escalation-in-enablesecurity"},{"cve":"CVE-2026-39320","cvss":7.5,"epss":0.0066,"slug":"cve-2026-39320-signal-k-server-has-an-unauthenticated-regular-expression-denial","title":"Signal K Server has an Unauthenticated Regular Expression Denial of Service (ReDoS) via WebSocket Subscription Paths","severity":"high","exploited":false,"published_at":"2026-04-21T17:17:00+00:00","url":"https://junglewise.ai/threats/cve-2026-39320-signal-k-server-has-an-unauthenticated-regular-expression-denial"},{"cve":"CVE-2025-68272","cvss":7.5,"epss":0.0057,"slug":"cve-2025-68272-signal-k-server-vulnerable-to-denial-of-service-via-unrestricted","title":"Signal K Server Vulnerable to Denial of Service via Unrestricted Access Request Flooding","severity":"high","exploited":false,"published_at":"2026-01-02T15:20:05+00:00","url":"https://junglewise.ai/threats/cve-2025-68272-signal-k-server-vulnerable-to-denial-of-service-via-unrestricted"},{"cve":"CVE-2026-33951","cvss":7.5,"epss":0.0054,"slug":"cve-2026-33951-signalk-signal-k-server-authentication-bypass-in-sourcepriorities","title":"SignalK Signal K Server authentication bypass in sourcePriorities endpoint","severity":"high","exploited":false,"published_at":"2026-04-02T17:16:23.2+00:00","url":"https://junglewise.ai/threats/cve-2026-33951-signalk-signal-k-server-authentication-bypass-in-sourcepriorities"},{"cve":"CVE-2026-41893","cvss":7.5,"epss":0.0051,"slug":"cve-2026-41893-signalk-signal-k-server-brute-force-protection-bypass-in","title":"SignalK Signal K Server brute-force protection bypass in WebSocket login","severity":"high","exploited":false,"published_at":"2026-05-09T20:16:27.273+00:00","url":"https://junglewise.ai/threats/cve-2026-41893-signalk-signal-k-server-brute-force-protection-bypass-in"},{"cve":"CVE-2026-35038","cvss":6.5,"epss":0.0041,"slug":"cve-2026-35038-signalk-signalk-server-arbitrary-prototype-read-in","title":"SignalK signalk-server arbitrary prototype read in applicationData","severity":"medium","exploited":false,"published_at":"2026-04-02T17:16:27.163+00:00","url":"https://junglewise.ai/threats/cve-2026-35038-signalk-signalk-server-arbitrary-prototype-read-in"},{"cve":"CVE-2026-34083","cvss":6.1,"epss":0.0014,"slug":"cve-2026-34083-signal-k-server-oauth-code-theft-via-unvalidated-host-header-in","title":"Signal K Server OAuth code theft via unvalidated Host header in OIDC","severity":"medium","exploited":false,"published_at":"2026-04-02T17:16:23.403+00:00","url":"https://junglewise.ai/threats/cve-2026-34083-signal-k-server-oauth-code-theft-via-unvalidated-host-header-in"},{"cve":"CVE-2026-55591","cvss":5.8,"epss":0.003,"slug":"cve-2026-55591-signal-k-server-ssrf-in-remote-connection-endpoints","title":"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 ac","severity":"medium","exploited":false,"published_at":"2026-09-15T16:17:14.703+00:00","url":"https://junglewise.ai/threats/cve-2026-55591-signal-k-server-ssrf-in-remote-connection-endpoints"},{"cve":"CVE-2025-68273","cvss":5.3,"epss":0.0038,"slug":"cve-2025-68273-signal-k-server-vulnerable-to-unauthenticated-information","title":"Signal K Server Vulnerable to Unauthenticated Information Disclosure via Exposed Endpoints","severity":"medium","exploited":false,"published_at":"2026-01-02T15:22:11+00:00","url":"https://junglewise.ai/threats/cve-2025-68273-signal-k-server-vulnerable-to-unauthenticated-information"}],"generated_at":"2026-09-27T03:07:00.185062+00:00"}