DescriptionPipesHub before 0.10.0 contains a server-side request forgery vulnerability in ImageParser._fetch_single_url that allows users who can add documents to make the indexing service fetch internal URLs by embedding image URLs in Markdown or HTML documents. Attackers can reach loopback, private-network or link-local addresses such as cloud metadata endpoints via followed redirects, with image/* responses base64-embedded into indexed content.