CVEvulnerability

CVE-2026-4633

3.7 LOW Published 2026-03-23 Modified 2026-10-22 Official page ↗
Status
Modified
Published
2026-03-23
Last modified
2026-10-22
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1 ([email protected])
3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-209

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.

Affected configurations

• redhat build of keycloak

Related

Weakness · CWE (1)

  • CWE-209 Generation of Error Message Containing Sensitive Information weakness

References