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Comparison · Infra & APIs
Authelia vs authentik
A side-by-side editorial comparison of Authelia and authentik — release velocity, themes, recent moves, and the top alternatives to consider.
Shared themes:authenticationopen-source
Authelia vs authentik: at a glance
What is Authelia?
Authelia patches two access control bypass paths from canonicalization gaps.
Authelia v4.39.x is in a sustained hardening cycle: a critical security release in May fixed two authentication bypass paths, and subsequent patch releases have worked through a dense queue of OIDC protocol compliance bugs — resource indicators, client credentials foreign key handling, authentication strategy configuration, and resource strategy matching. The pace of micro-patches (v4.39.21 through v4.39.25 in a two-week window) reflects active production use surfacing edge cases.
What is authentik?
Authentik 2026.8 ships Actors — programmable event hooks that turn it from a static identity provider into a runtime for auth logic.
Authentik is an open-source identity and access management platform on a monthly calendar-versioned release cycle. The 2026.8.0 release introduced Actors — event-driven code execution hooks in the auth flow, analogous to Auth0 Actions or Okta Hooks — and an authentik Agent for domain join scenarios. Three supported branches (2026.2.x, 2026.5.x, 2026.8.x) are receiving concurrent security and bug fix patches, reflecting an active enterprise user base running different versions.
Authelia vs authentik: editorial side-by-side
Authelia
5.0INFRA · APIS
Authelia patches two access control bypass paths from canonicalization gaps.
◆ Current state
Authelia v4.39.x is in a sustained hardening cycle: a critical security release in May fixed two authentication bypass paths, and subsequent patch releases have worked through a dense queue of OIDC protocol compliance bugs — resource indicators, client credentials foreign key handling, authentication strategy configuration, and resource strategy matching. The pace of micro-patches (v4.39.21 through v4.39.25 in a two-week window) reflects active production use surfacing edge cases.
◆ Where it's heading
The OIDC fix pattern is deliberate: Authelia is closing gaps in the parts of OAuth 2.0/OIDC that enterprise clients actually use — resource indicators, client credentials grants, pooled authentication. This isn't maintenance drift; it's building toward a more complete OIDC server for complex multi-client deployments. The access control canonicalization fix from May signals a broader audit of how Authelia normalizes domain names and usernames before authorization decisions.
◆ Prediction
The OIDC compliance fixes in v4.39.x are groundwork for new grant types and flows in a future major version. Expect device authorization flow or Pushed Authorization Requests (PAR) to appear in a v4.40 or v5.x roadmap entry once the protocol surface is cleaned up.
authentik
6.3INFRA · APIS
Authentik 2026.8 ships Actors — programmable event hooks that turn it from a static identity provider into a runtime for auth logic.
◆ Current state
Authentik is an open-source identity and access management platform on a monthly calendar-versioned release cycle. The 2026.8.0 release introduced Actors — event-driven code execution hooks in the auth flow, analogous to Auth0 Actions or Okta Hooks — and an authentik Agent for domain join scenarios. Three supported branches (2026.2.x, 2026.5.x, 2026.8.x) are receiving concurrent security and bug fix patches, reflecting an active enterprise user base running different versions.
◆ Where it's heading
Actors is the directional move that matters in 2026.8: it repositions authentik from a configuration-driven identity provider toward a programmable auth runtime. Teams that previously needed custom LDAP flows or complex blueprints can now write Actors that fire on auth events — closer to the Auth0 model. The parallel development of an authentik Agent (documented in 2026.8.0-rc7) suggests the team is also targeting domain-joined enterprise device scenarios, which would expand the addressable market from web app auth into endpoint identity.
◆ Prediction
The next release cycle will likely expand Actor trigger types and add a marketplace or community library for common Actor patterns (e.g., risk-based auth, adaptive MFA). The Agent feature will mature with more domain join scenarios, positioning authentik as a self-hosted alternative to Microsoft Entra ID for organizations that want full sovereignty over their identity stack.
Alternatives to Authelia and authentik
Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Authelia or authentik.
MISP
MISP 2.5.46 delivers a 50× sightings query speedup and systematic SSRF closure — serious infrastructure work.
werf
werf v3.x dev channel drops CNI for netavark networking while the 2.x alpha track holds to bug fixes
Knock
Knock plants its flag across every major AI platform: Claude, ChatGPT, Codex, and Cursor all get native connectors
Honeybadger
Honeybadger pivots from error tracker to full observability layer with AI-native query and anomaly detection
Resend
Resend expands from email API to full platform with SSO, analytics, and AI-native dev tooling
See all Authelia alternatives → · See all authentik alternatives →
Recent activity from Authelia and authentik
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 17h agoAutheliav4.39.25
- 1d agoauthentikauthentik 2026.8.2 patch release
- 1d agoauthentikauthentik 2026.5.7 backport patch
- 1d agoauthentikauthentik 2026.2.7: container image hardening backport
- 1d agoAutheliav4.39.24
- 2d agoAutheliaFive OIDC protocol fixes in v4.39.23
- 7d agoAutheliav4.39.22
- 8d agoAutheliaMulti-area hardening: LDAP auth, OIDC, and API endpoint fixes in v4.39.21
- 9d agoauthentikauthentik 2026.8.1 patch release
- 23d agoauthentikRelease 2026.8.0 ⚡
- 1mo agoauthentikauthentik 2026.8.0-rc7 pre-release
- 3mo agoAutheliaAuthelia patches two access control bypass paths: domain miss and LDAP username canonicalization ⚡
Frequently asked questions
What is the difference between Authelia and authentik?
Both compete on the same themes — authentication, open-source — within Infra & APIs. authentik is currently shipping more aggressively (velocity 6.3 vs 5.0), with 1 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Authelia better than authentik?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. authentik is currently shipping more aggressively (velocity 6.3 vs 5.0), with 1 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.
What are the best alternatives to Authelia?
Top Authelia alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Authelia alternatives" section above for the current picks, or visit /alternatives/authelia for the full list with editorial commentary on each.
What are the best alternatives to authentik?
Top authentik alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "authentik alternatives" section above for the current picks, or visit /alternatives/authentik for the full list with editorial commentary on each.