CVE-2026-11419

{"id": "CVE-2026-11419", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-11419", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-06-05T20:28:57.820569Z"}}], "cvssMetricV31": [{"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}], "cvssMetricV40": [{"type": "Secondary", "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.4, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79", "affectedData": [{"vendor": "Altium", "modules": ["Vault Service (UploadController)"], "product": "Altium Enterprise Server", "versions": [{"status": "affected", "version": "0", "lessThan": "8.1.1", "versionType": "semver"}], "platforms": ["Web"], "defaultStatus": "unaffected"}]}], "published": "2026-06-05T20:17:29.183", "references": [{"url": "https://www.altium.com/platform/security-compliance/security-advisories", "tags": ["Vendor Advisory"], "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79", "description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-434"}]}], "descriptions": [{"lang": "en", "value": "A path traversal vulnerability exists in the Altium Enterprise Server Vault Service UploadController due to improper validation of a user-controlled path component in image upload requests. An authenticated user can supply a crafted absolute path so that the configured storage root is discarded, allowing arbitrary files to be written to any location on the server filesystem writable by the service account.\n\n\n\n\nBecause content-controlled files can be written to web-accessible directories, or used to overwrite application binaries or configuration files, this can be escalated to remote code execution, service takeover, or denial of service. Altium 365 cloud deployments are not affected, as the affected endpoint is not reachable and the cloud storage architecture mitigates the file-write primitive."}, {"lang": "es", "value": "Una vulnerabilidad de salto de ruta existe en el UploadController del servicio Altium Enterprise Server Vault debido a una validaci\u00f3n incorrecta de un componente de ruta controlado por el usuario en las solicitudes de carga de im\u00e1genes. Un usuario autenticado puede proporcionar una ruta absoluta manipulada de modo que la ra\u00edz de almacenamiento configurada sea descartada, permitiendo que se escriban archivos arbitrarios en cualquier ubicaci\u00f3n del sistema de archivos del servidor que sea escribible por la cuenta de servicio.\n\nDebido a que los archivos controlados por el contenido pueden escribirse en directorios accesibles por la web, o usarse para sobrescribir binarios de aplicaciones o archivos de configuraci\u00f3n, esto puede escalarse a ejecuci\u00f3n remota de c\u00f3digo, toma de control del servicio o denegaci\u00f3n de servicio. Las implementaciones en la nube de Altium 365 no se ven afectadas, ya que el endpoint afectado no es alcanzable y la arquitectura de almacenamiento en la nube mitiga la primitiva de escritura de archivos."}], "lastModified": "2026-07-23T07:10:00.113", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:altium:on-prem_enterprise_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0EA274E8-BCF0-41F5-A4DD-3855F0776A78", "versionEndExcluding": "8.1.1"}], "operator": "OR"}]}], "sourceIdentifier": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79"}