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LiveUpdated 2026-09-19 18:39 UTC

Update: @flavorjones had a great talk lined up for #RailsWorld but two weeks out, he…

Update: @flavorjones had a great talk lined up for #RailsWorld but two weeks out, he decided there was something more…

This is a dev post classified by Jev as Security (a launch), kept by the Dev Radar because it carries real work, not commentary.

Update: @flavorjones had a great talk lined up for #RailsWorld but two weeks out, he decided there was something more important to talk about. Instead, he’ll introduce Hot Cell, a suite of gems designed to make Active Storage attachment processing safer by moving it out of your Rails application and into a secure sidecar container. AI-assisted security research is uncovering vulnerabilities at a faster pace, including in the underlying system libraries Rails apps rely on to process images and other attachments. Mike will explain how Active Storage attachment processing works, why these vuln

Posted by Ruby on Rails (136.9k followers) 5 days ago · 46 likes · 6.9k views · view the original post on X. Kept by the Dev Radar as Security.

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