Django Object-Level Permissions Guide (RBAC) with django-guardian

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Published in Blog on March 28, 2026 3 min read

Django Object-Level Permissions Guide (RBAC) with django-guardian Banner

In many real-world applications, simply authenticating users is not enough. Different users often need different levels of access to specific resources. For example, a manager might be able to edit all records, while a regular employee can only view or edit the records assigned to them.

This is where Role-Based Access Control (RBAC) becomes important.

Django provides a built-in permission system, but it mainly supports model-level permissions. Sometimes we need more fine-grained control where permissions apply to specific objects instead of the entire model.

The django-guardian package extends Django’s permission system and allows developers to implement object-level permissions easily.

In this blog, we will explore:

Object-level permissions
Assigning permissions per user
Securing APIs and views

1. Object-Level Permissions

By default, Django permissions apply to an entire model. For example:

add_document
change_document
delete_document
view_document

If a user has the change_document permission, they can modify all documents in the database.

However, in many applications we want more control. For example:

User A can edit Document A
User B can edit Document B
Other users can only view those documents

This is known as object-level permission, where access is granted to a specific object instance. The django-guardian library makes this possible by extending Django’s permission framework.

Installing django-guardian

First, install the package:

Add it to INSTALLED_APPS in your Django settings:

Next, configure the authentication backends:

Finally, run migrations:

2. Assigning Permissions per User

Once django-guardian is installed, you can assign permissions to a specific user for a specific object.

Example Model

Now you can assign permissions to a user using assign_perm:

This means the user can only view or modify that particular document, not all documents in the system.

Checking Permissions

You can check whether a user has permission for a specific object using has_perm:

If the user does not have permission, the action should be restricted.

3. Securing Django Views

Object-level permissions can be used to protect views so that users can only access resources they are allowed to manage.

Securing a View

Securing APIs with Django REST Framework

If you are using Django REST Framework, you can also enforce object-level permissions in APIs.

Custom Permission Class

Using in a ViewSet

Filtering Objects by Permission

django-guardian also provides utilities to fetch only the objects a user has permission for:

This is useful for list views and APIs, ensuring that users only see the data they are authorized to access.

Benefits of Using django-guardian

Using django-guardian provides several advantages:

Fine-grained access control
Object-level permission support
Seamless integration with Django’s built-in permission system
Better security for multi-user applications

It is especially useful for systems like:

CRM platforms
SaaS applications
Document management systems
Project management tools

Final Thoughts

Implementing proper access control is essential for building secure applications. While Django’s default permission system handles many cases, it does not support object-level permissions out of the box.

With django-guardian, developers can easily assign permissions to specific users for specific objects, enabling more flexible and secure authorization systems.

By combining object-level permissions, per-user permission assignment, and secured APIs, you can build scalable applications with strong access control.

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