CVE-2026-3911

A flaw was found in Keycloak. An authenticated user with the view-users role could exploit a vulnerability in the UserResource component. By accessing a specific administrative endpoint, this user could improperly retrieve user attributes that were configured to be hidden. This unauthorized information disclosure could expose sensitive user data.

CVSS v3 2.7 LOW

2.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:6477	Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:6478	Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-3911	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2446392	Issue Tracking

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:redhat:build_of_keycloak:-::::text-only:::
	cpe:2.3:a:redhat:build_of_keycloak:26.4:::::::*
	cpe:2.3:a:redhat:build_of_keycloak:26.4.11:::::::*

History

No history.

Information

Published : 2026-03-11 06:17

Updated : 2026-06-17 10:44

NVD link : CVE-2026-3911

Mitre link : CVE-2026-3911

CVE.ORG link : CVE-2026-3911

JSON object : View

Products Affected

redhat

build_of_keycloak

CWE

CWE-359

Exposure of Private Personal Information to an Unauthorized Actor

NVD-CWE-noinfo

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