Keycloak 21.x — End of Life
EOLKeycloak 21.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status |
|---|---|---|---|---|---|
| 21.1 | Apr 19, 2023 | — | Jul 11, 2023 | 21.1.2 | EOL |
| 21.0 | Feb 23, 2023 | — | Apr 19, 2023 | 21.0.2 | EOL |
CVEs affecting Keycloak 21.x (0)
Keycloak 21.x is EOL — migrate to Keycloak 22.x
Keycloak 22.x is the next major release. Plan your upgrade before Keycloak 21.x stops receiving security patches.
Frequently asked questions
Is Keycloak 21 end of life?
Yes. All Keycloak 21.x releases have reached end of life and no longer receive security patches. Migrate to Keycloak 22.x as soon as possible.
What CVEs affect Keycloak 21?
No CVEs are currently tracked for Keycloak 21.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.
What is the latest Keycloak 21 version?
The latest Keycloak 21.x patch release is 21.1.2, released on June 28, 2023. Always run the latest patch to benefit from all security fixes.
How to migrate from Keycloak 21 to Keycloak 22?
To migrate from Keycloak 21 to Keycloak 22: (1) review the official Keycloak 22 migration guide for breaking changes, (2) update dependencies and configuration accordingly, (3) test thoroughly in a staging environment, (4) deploy with a rollback plan. Starting early gives you time to resolve compatibility issues before your current version reaches end of life.
Is it safe to run Keycloak 21 in production?
No. Keycloak 21 has reached end of life and security vulnerabilities are no longer patched. Upgrade to a supported version immediately.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA