RHSA-2026:68277 - Security Advisory

Topic

New images are available for Red Hat build of Keycloak 26.6.7 and
Red Hat build of Keycloak 26.6.7 Operator, running on OpenShift
Container Platform

Description

Red Hat build of Keycloak is an integrated sign-on solution,
available as a Red Hat JBoss Middleware for OpenShift containerized
image. The Red Hat build of Keycloak for OpenShift image provides
an authentication server that you can use to log in centrally, log
out, and register. You can also manage user accounts for web
applications, mobile applications, and RESTful web services.

Red Hat build of Keycloak Operator for OpenShift simplifies
deployment and management of Keycloak 26.6.7 clusters.

This erratum releases new images for Red Hat build of Keycloak
26.6.7 for use within the OpenShift Container Platform cloud
computing Platform-as-a-Service (PaaS) for on-premise or private
cloud deployments, aligning with the standalone product release.

Security fixes:

• Group hierarchy search discloses hidden parent groups under FGAP v2 (CVE-2026-15945)
• Organization invitation link exposure allows unauthorized member creation (CVE-2026-16072)
• Authorization codes can be retargeted to another client session (CVE-2026-16089)
• Required signed-JWT assertion policy can be bypassed with unsigned assertion headers (CVE-2026-16093)
• Authenticator config endpoint exposes raw reCAPTCHA secrets to view-only admins (CVE-2026-16104)
• Missing per-role authorization on RoleContainerResource composite endpoints (CVE-2026-16105)
• Incorrect authorization in admin role-composite deletion allows delegated admin to remove privileged child roles (CVE-2026-16106)
• Realm default-group reads disclose hidden groups under FGAP v2 (CVE-2026-16108)
• Information disclosure via role-users endpoint bypasses per-user view filter (CVE-2026-17059)
• Privilege escalation via impersonation role allows takeover of realm administrator accounts (CVE-2026-17526)
• RESTeasy SourceProvider remote unauthenticated file read (CVE-2026-17615)
• Generic identity-provider creation can bind brokers to organizations without manage-organizations (CVE-2026-18201)
• OIDC redirect_uri fragment bypass in HTTP parameter pollution check (CVE-2026-18209)
• SAML Redirect DEFLATE helpers leak native zlib state (CVE-2026-18212)
• Google external access-token exchange bypasses hosted-domain restriction (CVE-2026-18214)
• Microsoft external access-token exchange bypasses configured tenant (CVE-2026-18215)
• Client not-before revocation ignored when realm not-before is older but nonzero (CVE-2026-18218)
• Full-scope-disabled client policy validation bypass via omitted fullScopeAllowed (CVE-2026-18570)
• FGAP V2 group assignment bypass during user creation (CVE-2026-18571)
• UMA claim token can override authorization time-policy evaluation attributes (CVE-2026-18572)
• Client access-type policy condition bypass during client update (CVE-2026-18573)
• Broker-originated username collision causes account lockout (CVE-2026-19607)
• Incomplete fix for arbitrary filesystem path probing via keystore parameters (CVE-2026-19729)
• Remote Code Execution via prototype pollution in Framework Mode (CVE-2026-42211)
• TLS hostname verification bypass via OpenSSL client path misconfiguration (CVE-2026-62243)
• Incomplete fix for CVE-2026-15573 allows policy enforcer bypass via percent-encoded URI segments (CVE-2026-74909)
• unauthenticated DoS via unbounded locale caching (CVE-2026-79651)
• JWT Bearer authorization grant does not enforce consentRequired (CVE-2026-79652)

Solution

Before applying the update, back up your existing installation,
including all applications, configuration files, databases and
database settings, and so on.

Affected Products

• Red Hat build of Keycloak Text-only Advisories x86_64

Fixes

CVEs

• CVE-2026-11822
• CVE-2026-11824
• CVE-2026-15945
• CVE-2026-16072
• CVE-2026-16089
• CVE-2026-16093
• CVE-2026-16104
• CVE-2026-16105
• CVE-2026-16106
• CVE-2026-16108
• CVE-2026-17059
• CVE-2026-17526
• CVE-2026-17615
• CVE-2026-18201
• CVE-2026-18209
• CVE-2026-18212
• CVE-2026-18214
• CVE-2026-18215
• CVE-2026-18218
• CVE-2026-18570
• CVE-2026-18571
• CVE-2026-18572
• CVE-2026-18573
• CVE-2026-19607
• CVE-2026-19729
• CVE-2026-42211
• CVE-2026-54371
• CVE-2026-56392
• CVE-2026-60589
• CVE-2026-61308
• CVE-2026-62243
• CVE-2026-70907
• CVE-2026-74909
• CVE-2026-79651
• CVE-2026-79652

References

• https://access.redhat.com/security/updates/classification/#important