Keycloak up to version 6.0.0 allows the end user token (access or id token JWT) to be used as the session cookie for browser sessions for OIDC. As a result an attacker with access to service provider backend could hijack user’s browser session.
{
"source": "CPE_RANGE",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "6.0.0"
}
],
"cpe": "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*"
}