CVE-2023-0105: Red Hat Keycloak

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A flaw was found in Keycloak. This flaw allows impersonation and lockout due to the email trust not being handled correctly in Keycloak. An attacker can shadow other users with the same email and lockout or impersonate them.

Affected products

• Red Hat Keycloak: affected versions not specified

Published 2023-01-13. Last modified 2026-06-17.