CVE-2026-0871

MEDIUM
2026-02-27 [email protected] GHSA-v4jw-m6rm-399h
4.9
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

3
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 27, 2026 - 08:17 nvd
MEDIUM 4.9

Tags

Authentication Bypass Keycloak Build Of Keycloak Redhat

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.

Analysis

Build Of Keycloak contains a vulnerability that allows attackers to unauthorized changes to user profiles, even when the system is configured to res (CVSS 4.9).

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

25
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +24
POC: 0

Vendor Status

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CVE-2026-0871 vulnerability details – vuln.today
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