Red Hat Security Advisory: Red Hat build of Keycloak 26.4.9 Security Update
Red Hat build of Keycloak 26.4.9 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security fixes: * Unauthorized organization registration via improper invitation token validation (CVE-2026-1529) * Disabled identity providers are still accepted for JWT Authorization Grant (CVE-2026-1486) * Incorrect ownership checks in /uma-policy/ (CVE-2025-14778) * Unauthorized modification of unmanaged user attributes by administrators (CVE-2026-0871) * keycloak-services: Business logic flaw allows unauthorized token issuance for disabled users (CVE-2025-14559) * Limited administrator can retrieve sensitive user attributes via Admin API (CVE-2025-13881)
Red Hat Security Advisory: Red Hat build of Keycloak 26.4.9 Security Update
Description
Red Hat build of Keycloak 26.4.9 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security fixes: * Unauthorized organization registration via improper invitation token validation (CVE-2026-1529) * Disabled identity providers are still accepted for JWT Authorization Grant (CVE-2026-1486) * Incorrect ownership checks in /uma-policy/ (CVE-2025-14778) * Unauthorized modification of unmanaged user attributes by administrators (CVE-2026-0871) * keycloak-services: Business logic flaw allows unauthorized token issuance for disabled users (CVE-2025-14559) * Limited administrator can retrieve sensitive user attributes via Admin API (CVE-2025-13881)
Affected software
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:2365
- Cve Count
- 6
- Additional Cves
- ["CVE-2025-14559","CVE-2025-14778","CVE-2026-0871","CVE-2026-1486","CVE-2026-1529"]
Threat ID: 6a3c0cefeed863c81e2386d4
Added to database: 06/24/2026, 16:59:27 UTC
Last enriched: 08/10/2026, 20:34:49 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 28
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