Ruby on Rails Patches Critical Active Storage Vulnerability Affecting Image Processing

Ruby on Rails fixed a critical vulnerability that could let unauthenticated attackers read files and achieve remote code execution. Ruby on Rails has patched CVE-2026-66066, a critical vulnerability (CVSS score of 9.5) that could allow unauthenticated attackers to read arbitrary files from vulnerable servers. In the default configuration, applications that generate image variants may expose […]