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EUVD-2026-264316

fkie_cve-2025-13467

A flaw was found in the Keycloak LDAP User Federation provider. This vulnerability allows an authenticated realm administrator to trigger deserialization of untrusted Java objects via a malicious LDAP server configuration.

GHSA-4hx9-48xh-5mxr — Keycloak LDAP User Federation provider enables admin-triggered untrusted Java deserialization

Affected: Maven: org.keycloak:keycloak-ldap-federation

### Mitigation

Disable LDAP referrals in all LDAP user providers in all realms if projects cannot upgrade to the patched versions.

jvndb-2026-026852

Multiple vulnerabilities exist in Hitachi Ops Center Common Services. CVE-2025-10939, CVE-2025-11537, CVE-2025-11538, CVE-2025-12110, CVE-2025-13467, CVE-2025-13881, CVE-2025-14082, CVE-2025-14083, CVE-2025-14777, CVE-2025-66560, CVE-2026-0707, CVE-2026-0871, CVE-2026-0976, CVE-2026-1035, CVE-2026-1190, CVE-2026-2092, CVE-2026-2575, CVE-2026-2673, CVE-2026-3009, CVE-2026-3121, CVE-2026-3429, CVE-2026-3872, CVE-2026-3911, CVE-2026-4282, CVE-2026-4325, CVE-2026-4634, CVE-2026-22745, CVE-2026-22748, CVE-2026-25854, CVE-2026-40972, CVE-2026-40975

RHSA-2025:22088 — Red Hat Security Advisory: Red Hat build of Keycloak 26.2.11 Images Security Update

keycloak-server: Too long and not settings compliant session keycloak: org.keycloak:keycloak-services: User can refresh offline session even after client's offline_access scope was removed org.keycloak/keycloak-services: WebAuthn Attestation Statement Verification Bypass org.keycloak.protocol.oidc.endpoints.LogoutEndpoint: Offline Session takeover due to reused Authentication Session ID org.keycloak.storage.ldap: Keycloak: Deserialization of Untrusted Data in LDAP User Federation

WID-SEC-W-2025-2650 — Keycloak: Schwachstelle ermöglicht Offenlegung von Informationen

Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Keycloak ausnutzen, um Informationen offenzulegen.