CVE-2022-3782: Red Hat Keycloak

Critical severity, CVSS 9.1. EPSS: 5.8% chance of exploitation in the next 30 days.

keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain or possibly conduct further attacks. This flaw affects any client that utilizes a wildcard in the Valid Redirect URIs field.

Affected products

• Red Hat Keycloak: version 20.0.2 only

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