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Incorrect Privilege Assignment

CVE-2026-0871

Medium
4.9/10

Summary

A flaw was found in Keycloak versions prior to 26.5.2. An administrator with `manage-users` permission can bypass the "Only administrators can view" setting for unmanaged attributes, allowing them to modify these attributes. This improper access control can lead to unauthorized changes to user profiles, even when the system is configured to restrict such modifications.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • HIGH
  • NONE
  • NONE

CWE-266 - Incorrect Privilege Assignment

A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.

References

Advisory Timeline

  • Published