Critical Rails Flaw Lets Attackers Write Server Files via Crafted ImageMagick Uploads

{"#active_storage":"Active Storage's vulnerability in Rails 8.0 and 8.1 versions, including CVE-2026-66066 and GHSA-v924-7rp8-4mxh.","#image_magick":"Rails uses ImageMagick for file uploads, which can be exploited by attackers to write files on servers.","#security_policy":"Rails fixed the vulnerability by adding a security policy to block specific ImageMagick coders."}