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Comparison · Infra & APIs

authentik vs Clair

A side-by-side editorial comparison of authentik and Clair — release velocity, themes, recent moves, and the top alternatives to consider.

Shared themes:open-source

authentik vs Clair: at a glance

FeatureauthentikClair
SectorInfra & APIsInfra & APIs
Velocity score5.02.5
Sparks · 30d00
Top themesidentity, sso, open-source, security-patchcontainer-security, vulnerability-scanning, sbom, red-hat
Last editorial update18d ago8h ago
WebsiteVisit →Visit →

What is authentik?

authentik patches 2026.8 and 2026.5 together, with cert updates after the eMudhra CA compromise.

authentik is in maintenance mode on its release branches. 2026.8.5 fixes an endpoints MultipleObjectsReturned error, skips members already in Microsoft Entra groups during sync, stops the Agents tab flashing for unlicensed users, and bumps certificate dependencies after the eMudhra CA compromise. 2026.5.8 backports a longer list, including a consent re-grant error, websocket header handling and pool credential refresh.

Read the full authentik trajectory →

What is Clair?

Clair 4.10 RC can read SBOMs to match Java vulnerabilities.

Clair cut its first 4.10.0 release candidate on November 13, eleven months after 4.9.0. Its Java indexers can now read CycloneDX SBOM files and treat them as the source of truth, and Red Hat's VEX data now covers Maven advisories, so Java packages in Red Hat images can be matched. It also reduces memory use when many packages share a source package.

Read the full Clair trajectory →

authentik vs Clair: editorial side-by-side

A
authentik
INFRA · APIS
5.0

authentik patches 2026.8 and 2026.5 together, with cert updates after the eMudhra CA compromise.

◆ Current state

authentik is in maintenance mode on its release branches. 2026.8.5 fixes an endpoints MultipleObjectsReturned error, skips members already in Microsoft Entra groups during sync, stops the Agents tab flashing for unlicensed users, and bumps certificate dependencies after the eMudhra CA compromise. 2026.5.8 backports a longer list, including a consent re-grant error, websocket header handling and pool credential refresh.

◆ Where it's heading

Since the 2026.8.0 Agent and Actors release, every entry has been a patch on 2026.8 or an older branch, and the team keeps three branches supported. The fixes are concentrated in sync providers, the proxy outpost and the new Agents UI.

◆ Prediction

Expect further 2026.8.x patches and a 2026.11 release candidate; the entries don't yet show what the next feature release contains.

C
Clair
INFRA · APIS
2.5

Clair 4.10 RC can read SBOMs to match Java vulnerabilities.

◆ Current state

Clair cut its first 4.10.0 release candidate on November 13, eleven months after 4.9.0. Its Java indexers can now read CycloneDX SBOM files and treat them as the source of truth, and Red Hat's VEX data now covers Maven advisories, so Java packages in Red Hat images can be matched. It also reduces memory use when many packages share a source package.

◆ Where it's heading

Since 4.8 Clair has moved from Red Hat's older OVAL data to VEX, and each release follows Red Hat's security data more closely. 4.10 adds SBOMs as an input, so Clair can match what an image's own manifest declares, not only what it finds on disk.

◆ Prediction

More 4.10 release candidates and then a final are likely; the long gap between releases suggests that could take weeks.

Alternatives to authentik and Clair

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 authentik or Clair.

See all authentik alternatives → · See all Clair alternatives →

Recent activity from authentik and Clair

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 13h agoClairClair 4.10 RC reads CycloneDX SBOMs for Java matching
  2. 23d agoauthentik2026.8.5: Entra sync fix and eMudhra certificate update
  3. 23d agoauthentik2026.5.8: backported consent, websocket and cert fixes
  4. 1mo agoauthentikRelease 2026.8.4
  5. 1mo agoauthentik2026.8.3: Case-insensitive file search, search autocomplete, and blueprint fix
  6. 2mo agoauthentikRelease 2026.8.2
  7. 2mo agoauthentik2026.5.7: Backport CI and endpoint auth schema fixes
  8. 11mo agoClairClair 4.9 moves CVSS data to NVD's 2.0 feeds
  9. 2y agoClairClair 4.8 replaces Red Hat OVAL data with VEX
  10. 2y agoClairClair 4.7.4 changes the default layer download location
  11. 2y agoClairClair 4.7.3 requires TLS 1.2 or newer
  12. 3y agoClairClair 4.7.2 drops the retired CRDA source

Frequently asked questions

What is the difference between authentik and Clair?

Both compete on the same themes — open-source — within Infra & APIs. authentik is currently shipping more aggressively (velocity 5.0 vs 2.5), with 0 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 authentik better than Clair?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. authentik is currently shipping more aggressively (velocity 5.0 vs 2.5), with 0 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 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.

What are the best alternatives to Clair?

Top Clair alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "Clair alternatives" section above for the current picks, or visit /alternatives/clair for the full list with editorial commentary on each.