CVE-2026-45627

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{"affected": [{"affectedData": [{"product": "arcane", "vendor": "getarcaneapp", "versions": [{"status": "affected", "version": "< 1.19.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to 1.19.0, the unauthenticated GET /api/app-images/logo endpoint reflects a user-supplied color query parameter into the body of an SVG document via strings.ReplaceAll with no escaping. The substitution lands inside a <style> element of the embedded logo.svg, allowing an attacker to close the style block and inject executable <script> content. Because the response is served as image/svg+xml and Arcane sets no Content-Security-Policy or X-Content-Type-Options headers, navigating a logged-in admin victim to a crafted URL executes attacker-controlled JavaScript in Arcane's origin and rides the victim's HttpOnly JWT cookie to fully compromise the admin account. This vulnerability is fixed in 1.19.0."}, {"lang": "es", "value": "Arcane es una interfaz para gestionar contenedores, im\u00e1genes, redes y vol\u00famenes de Docker. Antes de la 1.19.0, el endpoint GET /api/app-images/logo no autenticado refleja un par\u00e1metro de consulta de color proporcionado por el usuario en el cuerpo de un documento SVG a trav\u00e9s de strings.ReplaceAll sin escape. La sustituci\u00f3n aterriza dentro de un elemento [style] del logo.svg incrustado, permitiendo a un atacante cerrar el bloque de estilo e inyectar contenido [script_tag] ejecutable. Debido a que la respuesta se sirve como image/svg+xml y Arcane no establece encabezados Content-Security-Policy o X-Content-Type-Options, navegar a una v\u00edctima administradora con sesi\u00f3n iniciada a una URL manipulada ejecuta JavaScript controlado por el atacante en el origen de Arcane y aprovecha la cookie JWT HttpOnly de la v\u00edctima para comprometer completamente la cuenta de administrador. Esta vulnerabilidad se corrige en la 1.19.0."}], "id": "CVE-2026-45627", "lastModified": "2026-10-26T13:10:00.140", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45627", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-29T17:28:59.748073Z", "version": "2.0.3"}}]}, "published": "2026-05-29T18:17:10.647", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/getarcaneapp/arcane/security/advisories/GHSA-q2pj-8v84-9mh5"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.19.0)"}}], "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": "2026-05-29T18:30:04.992239+00:00", "updated": "2026-05-29T19:00:06.678887+00:00", "vendors": ["getarcaneapp", "getarcaneapp$PRODUCT$arcane"]}