Keycloak 26.8.1 released

To download the release go to Keycloak downloads . Upgrading Before upgrading refer to the migration guide for a complete list of changes. All resolved issues Security fixes #50945 [CVE-2026-15943] OIDC identity provider update reuses masked client secret after token URL changes identity-brokering #51381 [CVE-2026-18569] OIDC broker backchannel logout accepts unsigned forged logout tokens when signature validation is disabled oidc #52321 [CVE-2026-82968] Persistent wrong-account linking through null / GitHub identity provider identity-brokering #53057 [CVE-2026-94001] Admin credential DELETE b