EUVD-2026-14400

| CVE-2026-4633 LOW
2026-03-23 redhat GHSA-rhgq-f8x5-j2jc
3.7
CVSS 3.1

CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 23, 2026 - 11:00 vuln.today
EUVD ID Assigned
Mar 23, 2026 - 11:00 euvd
EUVD-2026-14400
CVE Published
Mar 23, 2026 - 10:53 nvd
LOW 3.7

Tags

Information Disclosure

Description

A flaw was found in Keycloak. A remote attacker can exploit differential error messages during the identity-first login flow when Organizations are enabled. This vulnerability allows an attacker to determine the existence of users, leading to information disclosure through user enumeration.

Analysis

Keycloak contains an information disclosure vulnerability in the identity-first login flow when Organizations are enabled, where differential error messages allow remote attackers to enumerate valid user accounts without authentication. The vulnerability affects Red Hat Build of Keycloak across multiple versions, and while the CVSS score is low (3.7), the attack requires only network access with no user interaction. …

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Remediation

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

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Priority Score

19
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +18
POC: 0

Vendor Status

Debian

Bug #1088287
keycloak
Release Status Fixed Version Urgency
open - -

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EUVD-2026-14400 vulnerability details – vuln.today
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