CVE-2026-0871
MEDIUMKeycloak - Privilege Escalation
Title source: llmDescription
A flaw was found in Keycloak. 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.
Scores
CVSS v3
4.9
EPSS
0.0003
EPSS Percentile
8.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Classification
CWE
CWE-266
Status
published
Affected Products (4)
org.keycloak/keycloak-server-spi-private
< 26.5.2Maven
redhat/build_of_keycloak
< 26.4.9
redhat/build_of_keycloak
redhat/keycloak
< 26.4.0
Timeline
Published
Feb 27, 2026
Tracked Since
Feb 27, 2026