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CVE-2026-3911

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CVE-2026-3911

Published: Mar 11, 2026

Modified: Apr 2, 2026

PUBLISHED

CVSS v3.1

2.7

LOW

Description

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.

VendorProductVersions

Red Hat

Red Hat build of Keycloak 26.4

unaffected
26.4.11-1 - < *

Red Hat

Red Hat build of Keycloak 26.4

unaffected
26.4-14 - < *

Red Hat

Red Hat build of Keycloak 26.4

unaffected
26.4-14 - < *

Red Hat

Red Hat build of Keycloak 26.4.11

All versions

Weaknesses (CWE)

CWE-359

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

RHSA-2026:6477
vendor-advisory
x_refsource_REDHAT
RHSA-2026:6478
vendor-advisory
x_refsource_REDHAT
RHBZ#2446392
issue-tracking
x_refsource_REDHAT

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