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.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-1412.json"