Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.0, 9.8.x <= 9.8.2 fail to enforce permissions which allows a guest user with read access to upload files to a channel.
{ "nvd_published_at": "2024-08-22T16:15:09Z", "cwe_ids": [ "CWE-284" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2024-08-22T19:49:03Z" }