CVE-2020-10770: Red Hat Keycloak

Medium severity, CVSS 5.3. EPSS: 69.7% chance of exploitation in the next 30 days.

A flaw was found in Keycloak before 13.0.0, where it is possible to force the server to call out an unverified URL using the OIDC parameter request_uri. This flaw allows an attacker to use this parameter to execute a Server-side request forgery (SSRF) attack.

Affected products

• Red Hat Keycloak: before 12.0.2 (fixed in 12.0.2)

Published 2020-12-15. Last modified 2026-06-17.