CVE-2020-1697: Red Hat Keycloak

Medium severity, CVSS 5.4. EPSS: 0.8% chance of exploitation in the next 30 days.

It was found in all keycloak versions before 9.0.0 that links to external applications (Application Links) in the admin console are not validated properly and could allow Stored XSS attacks. An authed malicious user could create URLs to trick users in other realms, and possibly conduct further attacks.

Affected products

• Red Hat Keycloak: before 9.0.0 (fixed in 9.0.0)
• Red Hat Single Sign-On: version 7.3 only

Published 2020-02-10. Last modified 2026-06-17.