Keycloak 18.0 End of Life
Support dates, vulnerabilities published since end of life, and upgrade guidance — rebuilt from live data.
Keycloak 18.0 reached end of life on 27 Jul 2022. It no longer receives security fixes.
Support timeline
Official dates, read directly from github.com.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 20 Apr 2022 | — |
| End of life | 27 Jul 2022 | 4.0 years ago |
| Latest release | 18.0.2 · 24 Jun 2022 | final |
The cost of staying: CVEs since end of life
39 Keycloak vulnerabilities have been published since 27 Jul 2022. All were fixed in supported branches — 18.0 received none of them. Source: NVD.
Keycloak CVEs published since 18.0's EOL, by year
2 of the 39 are rated critical · data refreshed 2026-08-09
Published 7 Jul 2023 · rated critical — fixed in supported branches only, never in 18.0. Details
Published 13 Jan 2023 · rated critical — fixed in supported branches only, never in 18.0. Details
Published 12 Sept 2023 · rated high — fixed in supported branches only, never in 18.0. Details
This product uses data from the NVD API but is not endorsed or certified by the NVD.
Where to go from 18.0
Recommended target: Keycloak 26.7.
The newest actively supported branch is Keycloak 26.7 (latest release 26.7.1).
Frequently asked questions
Is Keycloak 18.0 still safe to use?
No. Keycloak 18.0 stopped receiving security fixes on 27 Jul 2022. Since then, 39 Keycloak vulnerabilities have been published and fixed in supported branches — Keycloak 18.0 received none of those fixes.
Can I still download Keycloak 18.0?
Yes — the final release (18.0.2) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Keycloak 18.0 to?
Upgrade to Keycloak 26.7, the newest actively supported branch.