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En Nextcloud Server anteriores a las versiones 26.0.9 y 27.1.4; as\u00ed como Nextcloud Enterprise Server anteriores a las versiones 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9 y 27.1.4; Cuando un atacante logra acceder a una sesi\u00f3n activa de otro usuario de otra manera, podr\u00eda eliminar y modificar los workflows enviando llamadas directamente a la API sin pasar por la confirmaci\u00f3n de contrase\u00f1a que se muestra en la interfaz de usuario. Las versiones 26.0.9 y 27.1.4 de Nextcloud Server y las versiones 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9 y 27.1.4 de Nextcloud Enterprise Server contienen un parche para este problema. 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