The vulnerability abuses Active Storage, allowing unauthenticated attackers to read sensitive files and potentially take over ...

Ruby on Rails has patched CVE-2026-66066, a critical vulnerability leading to unauthenticated file reads and potentially RCE.

This article was originally published on .cult by Melina Zacharia. .cult is a Berlin-based community platform for developers. We write about all things career-related, make original documentaries, and ...

Through compromised images, attackers can read out server environment variables, including secrets, and thus open further doors into the system.

CVE-2026-66066 could expose Rails server files through image uploads, leaking secrets that may enable RCE or lateral movement ...