Mattermost fails to properly verify the permissions needed for viewing archived public channels, allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.
{
"nvd_published_at": "2024-01-02T10:15:08Z",
"severity": "MODERATE",
"cwe_ids": [
"CWE-284"
],
"github_reviewed_at": "2024-01-03T21:43:32Z",
"github_reviewed": true
}