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{"cveTags": [], "descriptions": [{"lang": "en", "value": "pyLoad is a free and open-source Download Manager written in pure Python. In version 0.5.0b3.dev89, an authenticated path traversal vulnerability exists in the /json/upload endpoint of pyLoad. By manipulating the filename of an uploaded file, an attacker can traverse out of the intended upload directory, allowing them to write arbitrary files to any location on the system accessible to the pyLoad process. This may lead to: Remote Code Execution (RCE), local privilege escalation, system-wide compromise, persistence, and backdoors. This is fixed in version 0.5.0b3.dev90."}, {"lang": "es", "value": "pyLoad es un gestor de descargas gratuito y de c\u00f3digo abierto escrito en Python puro. En la versi\u00f3n 0.5.0b3.dev89, existe una vulnerabilidad de path traversal autenticado en el endpoint /json/upload de pyLoad. Al manipular el nombre de un archivo subido, un atacante puede cruzar fuera del directorio de carga previsto, lo que le permite escribir archivos arbitrarios en cualquier ubicaci\u00f3n del sistema accesible para el proceso pyLoad. Esto puede provocar: ejecuci\u00f3n remota de c\u00f3digo (RCE), escalada de privilegios locales, vulnerabilidad de todo el sistema, persistencia y puertas traseras. Esto se ha corregido en la versi\u00f3n 0.5.0b3.dev90."}], "id": "CVE-2025-54140", "lastModified": "2025-07-25T15:29:44.523", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-07-22T22:15:38.390", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/pyload/pyload/blob/df094db67ec6e25294a9ac0ddb4375fd7fb9ba00/src/pyload/webui/app/blueprints/json_blueprint.py#L109"}, {"source": "security-advisories@github.com", "url": "https://github.com/pyload/pyload/commit/fc4b136e9c4e7dcbb8e467ae802cb2c3f70a71b0"}, {"source": "security-advisories@github.com", "url": "https://github.com/pyload/pyload/security/advisories/GHSA-xqpg-92fq-grfg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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