CVE-2026-23515

{"id": "CVE-2026-23515", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.1}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2026-02-02T23:16:07.190", "references": [{"url": "https://github.com/SignalK/set-system-time/commit/75b11eae2de528bf89ede3fb1f7ed057ddbb4d24", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/SignalK/signalk-server/security/advisories/GHSA-p8gp-2w28-mhwg", "tags": ["Vendor Advisory", "Exploit"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "Signal K Server is a server application that runs on a central hub in a boat. Prior to 1.5.0, a command injection vulnerability allows authenticated users with write permissions to execute arbitrary shell commands on the Signal K server when the set-system-time plugin is enabled. Unauthenticated users can also exploit this vulnerability if security is disabled on the Signal K server. This occurs due to unsafe construction of shell commands when processing navigation.datetime values received via WebSocket delta messages. This vulnerability is fixed in 1.5.0."}, {"lang": "es", "value": "Signal K Server es una aplicaci\u00f3n de servidor que se ejecuta en un concentrador central en una embarcaci\u00f3n. Previo a 1.5.0, una vulnerabilidad de inyecci\u00f3n de comandos permite a usuarios autenticados con permisos de escritura ejecutar comandos de shell arbitrarios en el servidor Signal K cuando el plugin set-system-time est\u00e1 habilitado. Usuarios no autenticados tambi\u00e9n pueden explotar esta vulnerabilidad si la seguridad est\u00e1 deshabilitada en el servidor Signal K. Esto ocurre debido a una construcci\u00f3n insegura de comandos de shell al procesar valores de navigation.datetime recibidos a trav\u00e9s de mensajes delta de WebSocket. Esta vulnerabilidad est\u00e1 corregida en 1.5.0."}], "lastModified": "2026-02-27T13:46:54.247", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:signalk:signal_k_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DDF10E0C-7592-4369-B442-85E6DE5945C6", "versionEndExcluding": "1.5.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}