A security vulnerability has been detected in alexta69 MeTube up to 2026.09.28. This vulnerability affects the function DownloadQueue.__write_feed_metadata_sync of the file app/ytdl.py of the component Feed-metadata Thumbnail Fetch Handler. Such manipulation leads to server-side request forgery. The attack may be launched remotely. Attacks of this nature are highly complex. It is stated that the exploitability is difficult. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.09.29 is able to resolve this issue. The name of the patch is a3896604540223ecbb8258b41b1d745d62647d16. It is suggested to upgrade the affected component.