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Authelia and Authentik both solve centralized authentication with MFA and SSO for self-hosted apps, but differ significantly in scope. Authelia is a lightweight forward-auth gateway that's quick to deploy and has a smaller attack surface. Authentik is a full-featured IdP supporting OIDC, OAuth2, SAML, LDAP, custom flows, and remote access protocols, but is heavier to operate. Community discussions note Authentik has had more CVEs due to its larger surface area. The choice comes down to simplicity vs. feature breadth. The post also promotes Cerbos as a complementary fine-grained authorization layer alongside either tool.

Authelia vs Authentik in 2026: Which self-hosted IdP should you choose

Cerbos is an authorization solution for enterprise software and AI. The Cerbos Blog covers implementation strategies, integration guides, best practices, product updates, and insights on authorization, zero trust, compliance, and AI security.