| Название | FOSSBilling <= 0.8.6 Authentication Bypass Issues |
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| Описание | The unauthenticated guest signup endpoint (POST /api/guest/client/create) discloses whether a given email address already belongs to a registered client. Guest::create() throws the error "This email address is already registered." when Client\Service::clientAlreadyExists() finds a matching row, and returns a new client ID otherwise. Because the API layer passes exception messages straight through to the JSON response with no redaction, this is a clean existence oracle for any FOSSBilling deployment's customer email list. |
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| Источник | ⚠️ https://github.com/FOSSBilling/FOSSBilling/security/advisories/GHSA-x4mh-g4pc-wfc5 |
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| Пользователь | mikannse (UID 100854) |
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| Представление | 08.10.2026 03:52 (15 дни назад) |
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| Модерация | 21.10.2026 12:48 (13 days later) |
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| Статус | Дубликат |
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| Запись VulDB | 422428 [FOSSBilling до 0.8.6 Guest API /api/guest/client/create раскрытие информации] |
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| Баллы | 0 |
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