CVE-2026-43947

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{"affected": [{"affectedData": [{"product": "FUXA", "vendor": "frangoteam", "versions": [{"status": "affected", "version": "= 1.3.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. Version 1.3.0 has an unauthenticated Remote Code Execution vulnerability when `secureEnabled` is set to `true`. The `POST /api/runscript` endpoint checks authorization against the stored script's permission by ID, but when `test: true` is set in the request, it compiles and executes attacker-supplied code instead of the stored script's code. An unauthenticated attacker who knows a valid script ID and name may execute arbitrary code via test mode if at least one server-side script exists and is accessible without restrictive permissions. Script IDs and names can be obtained through the unauthenticated information disclosure in `GET /api/project` (reported separately). The only prerequisite is that at least one server-side script exists in the project. Version 1.3.1 fixes the issue."}, {"lang": "es", "value": "FUXA es un software de Visualizaci\u00f3n de Procesos (SCADA/HMI/Dashboard) basado en web. La versi\u00f3n 1.3.0 tiene una vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo no autenticada cuando \u2019secureEnabled\u2019 est\u00e1 configurado como \u2019true\u2019. El endpoint \u2019POST /api/runscript\u2019 comprueba la autorizaci\u00f3n contra el permiso del script almacenado por ID, pero cuando \u2019test: true\u2019 est\u00e1 configurado en la solicitud, compila y ejecuta c\u00f3digo proporcionado por el atacante en lugar del c\u00f3digo del script almacenado. Un atacante no autenticado que conoce un ID y nombre de script v\u00e1lidos puede ejecutar c\u00f3digo arbitrario a trav\u00e9s del modo de prueba si existe al menos un script del lado del servidor y es accesible sin permisos restrictivos. Los ID y nombres de los scripts se pueden obtener a trav\u00e9s de la revelaci\u00f3n de informaci\u00f3n no autenticada en \u2019GET /api/project\u2019 (reportado por separado). El \u00fanico requisito previo es que exista al menos un script del lado del servidor en el proyecto. La versi\u00f3n 1.3.1 corrige el problema."}], "id": "CVE-2026-43947", "lastModified": "2026-10-24T19:10:00.127", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.9, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43947", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-23T13:57:00.510556Z", "version": "2.0.3"}}]}, "published": "2026-07-21T22:17:01.560", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/frangoteam/FUXA/commit/78534da61a91613712b44bb63c8d7da8c5df5ca4"}, {"source": "security-advisories@github.com", "url": "https://github.com/frangoteam/FUXA/pull/2260"}, {"source": "security-advisories@github.com", "url": "https://github.com/frangoteam/FUXA/releases/tag/v1.3.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/frangoteam/FUXA/security/advisories/GHSA-rg3m-cfq7-g6h6"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/frangoteam/FUXA/security/advisories/GHSA-rg3m-cfq7-g6h6"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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