CVE-2016-8609: Red Hat Keycloak

High severity, CVSS 8.1. EPSS: 1.7% chance of exploitation in the next 30 days.

It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user's session. This could lead to information disclosure, or permit further possible attacks.

Affected products

• Red Hat Keycloak: before 2.3.0 (fixed in 2.3.0)

Published 2018-08-01. Last modified 2026-06-17.