Keycloak 26.5.5stable Released Mar 05, 2026
Impact Score: 5/10

Keycloak 26.5.5 โ€” Release Notes & Engineering Impact

Source available โ€” automated, not human-reviewed

Component: keycloak ยท Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Compatibility not verified โ€” check source notes
๐Ÿ“„ .MD
โšก Executive Summary (TL;DR)

Keycloak 26.5.5. Source highlight: Before upgrading refer to

Who Does This Impact? (Role-Based Analysis)

๐Ÿ’ป Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

๐Ÿ“Š Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

โš™๏ธ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

๐Ÿ“„ View Raw Release Notes (Original Developer Log)
<div> <h2>Upgrading</h2> <p>Before upgrading refer to <a href="https://www.keycloak.org/docs/latest/upgrading/#migration-changes">the migration guide</a> for a complete list of changes.</p> <h2>All resolved issues</h2> <h3>Security fixes</h3> <ul> <li><a href="https://github.com/keycloak/keycloak/issues/46909">#46909</a> CVE-2026-3047 SAML broker: Authentication bypass due to disabled SAML client completing IdP-initiated login </li> <li><a href="https://github.com/keycloak/keycloak/issues/46910">#46910</a> CVE-2026-3009 Improper Enforcement of Disabled Identity Provider in IdentityBrokerService </li> <li><a href="https://github.com/keycloak/keycloak/issues/46911">#46911</a> CVE-2026-2603 Disabled SAML IdP still allows IdP-initiated broker login </li> <li><a href="https://github.com/keycloak/keycloak/issues/46912">#46912</a> CVE-2026-2092 saml broker encrypted assertion injection </li> </ul> </div>