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Keycloak 26.5.4 released

calendar_today February 19, 2026 person domain keycloak

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 #45646 CVE-2026-1190 - Keycloak SAML brokering: Response delay due to unchecked NotOnOrAfter in SubjectConfirmationData saml #45649 CVE-2026-0707: Keycloak Authorization Header Parsing Leading to Potential Security Control Bypass #45776 CVE-2025-5416 keycloak-core: Keycloak Environment Information #46372 CVE-2026-2575 - Denial of Service due to excessive SAMLRequest decompression saml #46462 CVE-2026-2733 Missing Check…

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