CVE-2026-4633
Low · 3.7CVSS
3.7
EPSS
0.4%
Published
Mar 23, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
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