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.
โก Executive Summary (TL;DR)
Keycloak 26.5.5. Source highlight: Before upgrading refer to
Who Does This Impact? (Role-Based Analysis)
๐ป Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
๐ Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
โ๏ธ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
๐ View Raw Release Notes (Original Developer Log)
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<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>
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