CVE-2026-0871

4.9 MEDIUM
Published: February 27, 2026 Modified: March 05, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://access.redhat.com/errata/RHSA-2026:2365
Source: secalert@redhat.com
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:2366
Source: secalert@redhat.com
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-0871
Source: secalert@redhat.com
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2428881
Source: secalert@redhat.com
Issue Tracking Vendor Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.9 / 10.0
EPSS (Exploit Probability)
0.0%
9th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

redhat