CVE-2026-42313

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{"affected": [{"affectedData": [{"product": "pyload", "vendor": "pyload", "versions": [{"status": "affected", "version": "< 0.5.0b3.dev100"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:pyload-ng_project:pyload-ng:*:*:*:*:*:python:*:*", "matchCriteriaId": "52EF3B80-A96B-4C56-AD17-7FB44B65A2C3", "versionEndExcluding": "0.5.0b3.dev100", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the set_config_value() API method (@permission(Perms.SETTINGS)) in src/pyload/core/api/__init__.py gates security-sensitive options behind a hand-maintained allowlist ADMIN_ONLY_CORE_OPTIONS. The allowlist contains (\"proxy\", \"username\") and (\"proxy\", \"password\") \u2014 which protect the proxy credentials \u2014 but it does not include (\"proxy\", \"enabled\"), (\"proxy\", \"host\"), (\"proxy\", \"port\"), or (\"proxy\", \"type\"). Any authenticated user with the non-admin SETTINGS permission can enable proxying and point pyload at any host they control. From that point, every outbound download, captcha fetch, update check, and plugin HTTP call is transparently routed through the attacker. This is a direct continuation of the fix family CVE-2026-33509 / CVE-2026-35463 / CVE-2026-35464 / CVE-2026-35586, each of which patched a different missed option in the same allowlist. This vulnerability is fixed in 0.5.0b3.dev100."}, {"lang": "es", "value": "pyLoad es un gestor de descargas gratuito y de c\u00f3digo abierto escrito en Python. Antes de 0.5.0b3.dev100, el m\u00e9todo de la API set_config_value() (@permission(Perms.SETTINGS)) en src/pyload/core/api/__init__.py restringe opciones sensibles a la seguridad detr\u00e1s de una lista de permitidos (allowlist) mantenida manualmente, ADMIN_ONLY_CORE_OPTIONS. La lista de permitidos contiene (\u2019proxy\u2019, \u2019username\u2019) y (\u2019proxy\u2019, \u2019password\u2019) - que protegen las credenciales del proxy - pero no incluye (\u2019proxy\u2019, \u2019enabled\u2019), (\u2019proxy\u2019, \u2019host\u2019), (\u2019proxy\u2019, \u2019port\u2019), o (\u2019proxy\u2019, \u2019type\u2019). Cualquier usuario autenticado con el permiso SETTINGS no administrativo puede habilitar el uso de proxy y dirigir pyLoad a cualquier host que controlen. A partir de ese momento, cada descarga saliente, recuperaci\u00f3n de captcha, verificaci\u00f3n de actualizaci\u00f3n y llamada HTTP de plugin se enruta de forma transparente a trav\u00e9s del atacante. Esto es una continuaci\u00f3n directa de la familia de correcciones CVE-2026-33509 / CVE-2026-35463 / CVE-2026-35464 / CVE-2026-35586, cada una de las cuales parche\u00f3 una opci\u00f3n diferente omitida en la misma lista de permitidos. Esta vulnerabilidad est\u00e1 corregida en 0.5.0b3.dev100."}], "id": "CVE-2026-42313", "lastModified": "2026-11-11T20:10:00.273", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.5, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-42313", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-12T13:50:29.222137Z", "version": "2.0.3"}}]}, "published": "2026-05-11T18:16:34.980", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/pyload/pyload/security/advisories/GHSA-pg67-9wjv-mr85"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/pyload/pyload/security/advisories/GHSA-pg67-9wjv-mr85"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-441"}, {"lang": "en", "value": "CWE-863"}, {"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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