compatibility.fyi
← Back to Keycloak

Source-backed version compatibility

Keycloak PostgreSQL Version Compatibility

Keycloak PostgreSQL (Postgres) version compatibility. Keycloak current 26.x supported configurations list PostgreSQL 18.x, 17.x, 16.x, 15.x, and 14.x.

Full Keycloak matrixJSON data
2Project versions
2Documented ranges
2026-07-08Last verified

Quick answer

PostgreSQL compatibility by Keycloak version

Keycloak version

26

Documented PostgreSQL versions

>=14.0.0 <19.0.0

Keycloak current 26.x supported configurations list PostgreSQL 18.x, 17.x, 16.x, 15.x, and 14.x.

high confidence · verified 2026-07-08 · database

Keycloak version

25

Documented PostgreSQL versions

>=16.0.0 <17.0.0

Keycloak 25.0.6 documentation listed tested database versions, not broader supported ranges; PostgreSQL was tested at version 16.

high confidence · verified 2026-07-08 · database

Primary evidence

Sources

Every range above is backed by upstream documentation, tagged source, release notes, or another project-owned primary source.

  1. Keycloak Supported Configurations - Supported DatabasesAccessed 2026-07-08
  2. Keycloak database configuration guideAccessed 2026-07-08
  3. Keycloak 25.0.6 database guide sourceAccessed 2026-07-08
  4. Keycloak 25.0.6 root pom database versionsAccessed 2026-07-08
  5. Keycloak 25.0.0 release notesAccessed 2026-07-08