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.
{
"cwe_ids": [
"CWE-200"
],
"github_reviewed": true,
"github_reviewed_at": "2019-04-30T15:16:15Z",
"nvd_published_at": "2019-04-24T16:29:00Z",
"severity": "MODERATE"
}