It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.
{
"severity": "MODERATE",
"nvd_published_at": "2018-08-01T17:29:00Z",
"cwe_ids": [
"CWE-295"
],
"github_reviewed_at": "2023-07-21T21:34:55Z",
"github_reviewed": true
}