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Ruby on Rails

Product

Ruby on Rails is a server-side web application framework written in Ruby under the MIT License. Rails is a model–view–controller (MVC) framework, providing default structures for a database, a web service, and web pages. It encourages and facilitates the use of web standards such as JSON or XML for data transfer and HTML, CSS and JavaScript for user interfacing. In addition to MVC, Rails emphasizes the use of other well-known software engineering patterns and paradigms, including convention over configuration (CoC), don't repeat yourself (DRY), and the active record pattern.

From Wikipedia, licensed under CC BY-SA 4.0. Shown as published there.

Facts

Made by
David Heinemeier HanssonSource: Wikidata
First released
2004Source: Wikidata
Latest version
8.1.3 (2026)Source: Wikidata
Licence
MIT LicenseSource: Wikidata
Runs on
Unix-like operating systemSource: Wikidata
Official website
rubyonrails.orgSource: Wikidata
Wikipedia
Read on WikipediaSource: Wikidata

Am I affected?

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Security timeline

  1. Vulnerability reported by The Hacker NewsCritical Ruby on Rails flaw lets attackers write server files via crafted ImageMagick uploads

Recent news

404 Media·

AO3 fanfiction archive offline for weeks after security incident

The , which runs (), says a security incident has taken the site down for maintenance. Restoration is estimated at about two weeks and could take up to a month. The operator says it does not expect any data loss, and it has ruled out a link to the recent PHP security issue because AO3 runs on Ruby on Rails.

Last updated 4 November 2026. Facts come from our own stories, NVD and CISA KEV, MITRE ATT&CK and Wikidata, each named beside the fact; the introduction, when there is one, is from Wikipedia. We never show company logos.

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