storage_backend/storage_file/security/ir.model.access.csv

1	id	name	model_id:id	group_id:id	perm_read	perm_write	perm_create	perm_unlink
2	access_storage_file_edit	storage_file edit	model_storage_file	base.group_system	1	1	1	1
3	access_storage_file_read_public	storage_file public read	model_storage_file		1	0	0	0