Douyin_TikTok_Download_API 4.1.2 SSRF via url parameter

Douyin_TikTok_Download_API through 4.1.2 contains a server-side request forgery vulnerability in the /api/download and /api/hybrid/video_data endpoints that allows unauthenticated attackers to fetch arbitrary URLs by supplying a url query parameter. Attackers can request internal services including cloud metadata endpoints and retrieve response bodies containing sensitive credentials through error messages.