CVE-2026-34216

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{"affected": [{"affectedData": [{"product": "panel", "vendor": "Ctrlpanel-gg", "versions": [{"status": "affected", "version": "< 1.2.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "CtrlPanel is open-source billing software for hosting providers. In versions 1.1.1 and prior, the admin settings update endpoint accepted a fully qualified class name directly from user-supplied request input and used it for dynamic static method calls and object instantiation without any allowlist validation, allowing for authenticated Remote Code Execution. An authenticated admin-level user could supply an arbitrary class name available in the Composer autoloader, potentially triggering unintended constructor or magic method execution. The update() method reads settings_class directly from the HTTP request and passed it to new $settings_class() and $settings_class::getValidations() without verifying that the provided value corresponds to a legitimate settings class: Because PHP resolves class names against the Composer autoloader at runtime, any autoloadable class in the application or its dependencies could be instantiated. Depending on the classes available in the dependency tree, this can trigger unintended side effects through constructors or magic methods (__construct, __toString, __wakeup), following a PHP object injection / gadget chain pattern. This issue has been fixed in version 1.2.0."}, {"lang": "es", "value": "CtrlPanel es un software de facturaci\u00f3n de c\u00f3digo abierto para proveedores de alojamiento. En las versiones 1.1.1 y anteriores, el endpoint de actualizaci\u00f3n de la configuraci\u00f3n de administrador aceptaba un nombre de clase completamente cualificado directamente de la entrada de solicitud proporcionada por el usuario y lo utilizaba para llamadas a m\u00e9todos est\u00e1ticos din\u00e1micos e instanciaci\u00f3n de objetos sin ninguna validaci\u00f3n de lista de permitidos, lo que permit\u00eda la ejecuci\u00f3n remota de c\u00f3digo autenticada. Un usuario autenticado con nivel de administrador pod\u00eda proporcionar un nombre de clase arbitrario disponible en el autocargador de Composer, lo que pod\u00eda desencadenar la ejecuci\u00f3n no intencionada de constructores o m\u00e9todos m\u00e1gicos. El m\u00e9todo update() lee settings_class directamente de la solicitud HTTP y lo pasaba a new $settings_class() y $settings_class::getValidations() sin verificar que el valor proporcionado correspondiera a una clase de configuraci\u00f3n leg\u00edtima: Debido a que PHP resuelve los nombres de clase contra el autocargador de Composer en tiempo de ejecuci\u00f3n, cualquier clase autocargable en la aplicaci\u00f3n o sus dependencias pod\u00eda ser instanciada. Dependiendo de las clases disponibles en el \u00e1rbol de dependencias, esto puede desencadenar efectos secundarios no deseados a trav\u00e9s de constructores o m\u00e9todos m\u00e1gicos (__construct, __toString, __wakeup), siguiendo un patr\u00f3n de inyecci\u00f3n de objetos PHP / cadena de gadgets. Este problema ha sido solucionado en la versi\u00f3n 1.2.0."}], "id": "CVE-2026-34216", "lastModified": "2026-07-24T09:10:00.153", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.7, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-34216", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-20T13:06:22.083678Z", "version": "2.0.3"}}]}, "published": "2026-05-19T21:16:42.570", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Ctrlpanel-gg/panel/releases/tag/1.2.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/Ctrlpanel-gg/panel/security/advisories/GHSA-vcg3-fjrx-rg5q"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/Ctrlpanel-gg/panel/security/advisories/GHSA-vcg3-fjrx-rg5q"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-470"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.2.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "panel", "source": "cna", "vendor": "Ctrlpanel-gg"}, "product": "panel", "vendor": "ctrlpanel-gg"}], "created": "2026-05-19T22:30:15.622603+00:00", "updated": "2026-05-20T10:39:02.112908+00:00", "vendors": ["ctrlpanel-gg", "ctrlpanel-gg$PRODUCT$panel"]}