An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. The X.509 certificate validation can be skipped for a TLS-based e-mail server.
{
"nvd_published_at": "2020-06-19T19:15:00Z",
"severity": "CRITICAL",
"github_reviewed": true,
"cwe_ids": [
"CWE-295"
],
"github_reviewed_at": "2026-02-06T22:58:06Z"
}