Mattermost versions 9.11.x <= 9.11.6, 10.4.x <= 10.4.1 fail to invalidate all active sessions when converting a user to a bot, with allows the converted user to escalate their privileges depending on the permissions granted to the bot.
{ "nvd_published_at": "2025-02-24T08:15:09Z", "cwe_ids": [ "CWE-384" ], "severity": "LOW", "github_reviewed": true, "github_reviewed_at": "2025-02-24T18:28:24Z" }