An issue was discovered in Mattermost Server before 3.9.0 when SAML is used. Encryption and signature verification are not mandatory.
{
"cwe_ids": [
"CWE-311",
"CWE-347"
],
"github_reviewed": true,
"github_reviewed_at": "2026-02-06T22:50:29Z",
"nvd_published_at": "2020-06-19T19:15:00Z",
"severity": "HIGH"
}