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Nextcloud is an open source content collaboration platform. From versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, when a user shares a folder or file with a Nextcloud Team that includes an external member (a person added via email address who does not have a Nextcloud account), the system automatically creates a public link for that external member. This public link is not displayed in the share section of the folder, so the folder owner has no knowledge of its existence. It is sent via email to the external member. It grants the same permissions (read, write, delete, reshare, download) as the Team’s access. An attacker who receives or intercepts this link can access, modify, delete, reshare, and download all data in the shared folder without any further authentication. The folder owner cannot see or revoke the link through the normal sharing interface. This issue has been patched in versions 32.0.9 and 33.0.3.
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Title: Nextcloud, Description: Nextcloud es una plataforma de colaboración de contenido de código abierto. Desde las versiones 32.0.0 hasta antes de la 32.0.9, y de la 33.0.0 hasta antes de la 33.0.3, cuando un usuario comparte una carpeta o archivo con un Equipo de Nextcloud que incluye un miembro externo (una persona añadida a través de una dirección de correo electrónico que no tiene una cuenta de Nextcloud), el sistema crea automáticamente un enlace público para ese miembro externo. Este enlace público no se muestra en la sección de compartir de la carpeta, por lo que el propietario de la carpeta no tiene conocimiento de su existencia. Se envía por correo electrónico al miembro externo. Otorga los mismos permisos (leer, escribir, eliminar, volver a compartir, descargar) que el acceso del Equipo. Un atacante que recibe o intercepta este enlace puede acceder, modificar, eliminar, volver a compartir y descargar todos los datos de la carpeta compartida sin ninguna autenticación adicional. El propietario de la carpeta no puede ver ni revocar el enlace a través de la interfaz de uso compartido normal. Este problema ha sido parcheado en las versiones 32.0.9 y 33.0.3.
OR
*cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* versions from (including) 32.0.0 up to (excluding) 32.0.9
*cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* versions from (including) 33.0.0 up to (excluding) 33.0.3
Added
CPE Configuration
OR
*cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* versions from (including) 32.0.0 up to (excluding) 32.0.9
*cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* versions from (including) 33.0.0 up to (excluding) 33.0.3
New CVE Received from GitHub, Inc.6/01/2026 3:16:50 PM
Action
Type
Old Value
New Value
Added
Description
Nextcloud is an open source content collaboration platform. From versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, when a user shares a folder or file with a Nextcloud Team that includes an external member (a person added via email address who does not have a Nextcloud account), the system automatically creates a public link for that external member. This public link is not displayed in the share section of the folder, so the folder owner has no knowledge of its existence. It is sent via email to the external member. It grants the same permissions (read, write, delete, reshare, download) as the Team’s access. An attacker who receives or intercepts this link can access, modify, delete, reshare, and download all data in the shared folder without any further authentication. The folder owner cannot see or revoke the link through the normal sharing interface. This issue has been patched in versions 32.0.9 and 33.0.3.