CVE-2025-13467

Summary

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.

Affected Software

VendorProductVersion RangeStatus
KeycloakKeycloak0 < 26.4.6affected
Red HatRed Hat build of Keycloak 26.226.2.11-1 < *unaffected
Red HatRed Hat build of Keycloak 26.226.2-12 < *unaffected
Red HatRed Hat build of Keycloak 26.226.2-12 < *unaffected
Red HatRed Hat build of Keycloak 26.426.4.6-1 < *unaffected
Red HatRed Hat build of Keycloak 26.426.4-6 < *unaffected
Red HatRed Hat build of Keycloak 26.426.4-5 < *unaffected

Weaknesses

  • CWE-502: Deserialization of Untrusted Data

Workarounds

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References