CVE-2020-10686: Red Hat Keycloak

Medium severity, CVSS 4.7. EPSS: 0.7% chance of exploitation in the next 30 days.

A flaw was found in Keycloak version 8.0.2 and 9.0.0, and was fixed in Keycloak version 9.0.1, where a malicious user registers as oneself. The attacker could then use the remove devices form to post different credential IDs and possibly remove MFA devices for other users.

Affected products

• Red Hat Keycloak: version 8.0.2 only; version 9.0.0 only

Published 2020-05-04. Last modified 2026-06-17.