BIT-KEYCLOAK-2026-37982 Keycloak: org.keycloak.authentication: keycloak: unauthorized account takeover via webauthn token replay

A flaw was found in Keycloak. This authentication vulnerability allows a remote attacker to replay ExecuteActionsActionToken tokens within Keycloak's WebAuthn Web Authentication flow. By intercepting an execute-actions email link, an attacker can register their own authenticator to a victim's...

CVE-2026-37982

Keycloak contains an authentication vulnerability (CVE-2026-37982) where an attacker can replay ExecuteActionsActionToken tokens in the WebAuthn flow. By intercepting an execute-actions email link, an attacker can register their own authenticator to a victim’s account, enabling unauthorized enrol...