CVE-2026-45626

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{"affected": [{"affectedData": [{"product": "arcane", "vendor": "getarcaneapp", "versions": [{"status": "affected", "version": "<= 1.18.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Arcane is an interface for managing Docker containers, images, networks, and volumes. In 1.18.1 and earlier, GET /environments/{id}/volumes/{volumeName}/browse accepts a path query parameter that is passed to a shell command (sh -c \"find \u2026 | while \u2026\") inside an Arcane helper container. The path sanitiser blocks ../ traversal but does not strip Bourne-shell metacharacters such as $() or backticks, and strconv.Quote only escapes Go string metacharacters, not shell substitution sequences. Any authenticated user with access to a browseable volume can execute arbitrary commands inside the helper container; command output is reflected back in the 500 error body."}, {"lang": "es", "value": "Arcane es una interfaz para gestionar contenedores Docker, im\u00e1genes, redes y vol\u00famenes. En 1.18.1 y versiones anteriores, GET /environments/{id}/volumes/{volumeName}/browse acepta un par\u00e1metro de consulta de ruta que se pasa a un comando de shell (sh -c 'find \u2026 | while \u2026') dentro de un contenedor auxiliar de Arcane. El saneador de rutas bloquea el recorrido ../ pero no elimina los metacaracteres de Bourne-shell como $() o las comillas invertidas, y strconv.Quote solo escapa los metacaracteres de cadena de Go, no las secuencias de sustituci\u00f3n de shell. Cualquier usuario autenticado con acceso a un volumen navegable puede ejecutar comandos arbitrarios dentro del contenedor auxiliar; la salida del comando se refleja en el cuerpo del error 500."}], "id": "CVE-2026-45626", "lastModified": "2026-07-21T15:10:00.103", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45626", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-01T22:34:59.747576Z", "version": "2.0.3"}}]}, "published": "2026-05-29T18:17:10.483", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/getarcaneapp/arcane/security/advisories/GHSA-9mvm-4gwg-v8mp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.18.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "arcane", "source": "cna", "vendor": "getarcaneapp"}, "product": "arcane", "vendor": "getarcaneapp"}], "created": "2026-05-29T18:30:04.991918+00:00", "updated": "2026-05-29T19:00:06.678046+00:00", "vendors": ["getarcaneapp", "getarcaneapp$PRODUCT$arcane"]}