Red Hat Red Hat build of Keycloak 26.2.16

• CVE-2026-7507 High 7.5 Org.keycloak/keycloak-services: session fixation in oidc login flow that can lead to account takeover 0.8%
• CVE-2026-7504 High 8.1 Org.keycloak/keycloak-services: open redirect when using wildcard valid redirect uris in keycloak 0.5%
• CVE-2026-7307 High 7.5 Keycloak: keycloak: denial of service via specially crafted saml input 0.9%