CVE-2026-3911

LOW EPSS 25.0%

Published Mar 11, 20263mo ago · Modified Jun 17, 20262w ago

2.7 CVSS 3.1

Low

Published Mar 11, 2026 3mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

2.7

Exploitability

1.2

Impact

1.4

Vector string

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

Threat Intelligence

EPSS Exploit Probability

25.0% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-359

Affected Products 3

Vendor	Product	Version	Range
redhat	build_of_keycloak	*	any
redhat	build_of_keycloak	26.4	any
redhat	build_of_keycloak	26.4.11	any

References 4

access.redhat.com https://access.redhat.com/errata/RHSA-2026:6477

Vendor Advisory
access.redhat.com https://access.redhat.com/errata/RHSA-2026:6478

Vendor Advisory
access.redhat.com https://access.redhat.com/security/cve/CVE-2026-3911

Vendor Advisory
bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2446392

Issue Tracking

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.