CVE-2026-49290

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{"affected": [{"affectedData": [{"product": "slopsmith", "vendor": "byrongamatos", "versions": [{"status": "affected", "version": "< 0.2.9-alpha.5"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Slopsmith is a self-contained web application for browsing, playing, and practicing Rocksmith 2014 Custom DLC (CDLC). Prior to 0.2.9-alpha.5, a path-traversal vulnerability in Slopsmith's archive extractors allows an attacker to write arbitrary files outside the extraction directory by supplying a crafted PSARC or sloppak archive. With the default Docker configuration (running as root) and the ability to drop a file into the plugin directory, this escalates to arbitrary remote code execution on the host. Three archive extractors concatenated archive-entry filenames directly onto the extraction root without validation: `lib/psarc.py::unpack_psarc` \u2014 PSARC TOC filenames; `lib/patcher.py::unpack_psarc` \u2014 duplicate of the above in the patcher flow; `lib/sloppak.py::_unpack_zip` \u2014 bare `ZipFile.extractall()` with no member filter. Each accepts entry names containing `..` segments, absolute paths, or backslash separators. The Python `zipfile` module's default `extractall()` is documented as not preventing traversal when callers don't supply a member-filter callback. Version 0.2.9-alpha.5 patches the issue. Until updated, do not open PSARC or sloppak archives from untrusted sources, and do not expose the Slopsmith instance to the public internet. Docker users should also pull the latest image after the next slopsmith Docker image is published."}, {"lang": "es", "value": "Slopsmith es una aplicaci\u00f3n web aut\u00f3noma para navegar, reproducir y practicar DLC personalizado (CDLC) de Rocksmith 2014. Antes de la versi\u00f3n 0.2.9-alpha.5, una vulnerabilidad de recorrido de ruta en los extractores de archivos de Slopsmith permite a un atacante escribir archivos arbitrarios fuera del directorio de extracci\u00f3n al proporcionar un archivo PSARC o sloppak manipulado. Con la configuraci\u00f3n predeterminada de Docker (ejecut\u00e1ndose como root) y la capacidad de colocar un archivo en el directorio de plugins, esto escala a ejecuci\u00f3n remota de c\u00f3digo arbitraria en el host. Tres extractores de archivos concatenaron los nombres de archivo de las entradas del archivo directamente en la ra\u00edz de extracci\u00f3n sin validaci\u00f3n: \u2019lib/psarc.py::unpack_psarc\u2019 - nombres de archivo TOC de PSARC; \u2019lib/patcher.py::unpack_psarc\u2019 - duplicado de lo anterior en el flujo del parcheador; \u2019lib/sloppak.py::_unpack_zip\u2019 - un \u2019ZipFile.extractall()\u2019 b\u00e1sico sin filtro de miembros. Cada uno acepta nombres de entrada que contienen segmentos \u2019..\u2019, rutas absolutas o separadores de barra invertida. El \u2019extractall()\u2019 predeterminado del m\u00f3dulo \u2019zipfile\u2019 de Python est\u00e1 documentado como que no previene el recorrido cuando los llamadores no proporcionan una funci\u00f3n de devoluci\u00f3n de llamada de filtro de miembros. La versi\u00f3n 0.2.9-alpha.5 corrige el problema. Hasta que se actualice, no abra archivos PSARC o sloppak de fuentes no confiables y no exponga la instancia de Slopsmith a la internet p\u00fablica. Los usuarios de Docker tambi\u00e9n deben extraer la \u00faltima imagen despu\u00e9s de que se publique la pr\u00f3xima imagen de Docker de Slopsmith."}], "id": "CVE-2026-49290", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "UNREPORTED", "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": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/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-2026-49290", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-22T17:04:05.730204Z", "version": "2.0.3"}}]}, "published": "2026-06-19T18:16:19.750", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/byrongamatos/slopsmith/commit/9cccac12a"}, {"source": "security-advisories@github.com", "url": "https://github.com/byrongamatos/slopsmith/security/advisories/GHSA-8wr9-348x-xwmr"}, {"source": "security-advisories@github.com", "url": "https://web.archive.org/web/20260522065709/https://github.com/byrongamatos/slopsmith"}, {"source": "security-advisories@github.com", "url": "https://web.archive.org/web/20260522065709/https://github.com/byrongamatos/slopsmith"}, {"source": "security-advisories@github.com", "url": "https://web.archive.org/web/20260522065709/https://github.com/byrongamatos/slopsmith"}, {"source": "security-advisories@github.com", "url": "https://web.archive.org/web/20260522065709/https://github.com/byrongamatos/slopsmith"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-23"}, {"lang": "en", "value": "CWE-36"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.2.9-alpha.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "slopsmith", "source": "cna", "vendor": "byrongamatos"}, "product": "slopsmith", "vendor": "byrongamatos"}], "created": "2026-06-19T20:00:11.992110+00:00", "updated": "2026-06-20T22:34:51.901164+00:00", "vendors": ["byrongamatos", "byrongamatos$PRODUCT$slopsmith"]}