keycloak before version 4.0.0.final is vulnerable to a infinite loop in session replacement. A Keycloak cluster with multiple nodes could mishandle an expired session replacement and lead to an infinite loop. A malicious authenticated user could use this flaw to achieve Denial of Service on the server.
{
"cwe_ids": [
"CWE-835"
],
"github_reviewed": true,
"github_reviewed_at": "2020-06-16T21:39:23Z",
"nvd_published_at": null,
"severity": "MODERATE"
}