Critical Rails Flaw Exposes Server Secrets and Enables Remote Code Execution
Mon Aug 03 2026
Development
Open Source
Vulnerability
cyberpress.org
A newly disclosed vulnerability in Ruby on Rails’ Active Storage component has drawn serious attention from the security community after researchers demonstrated a complete chain from server secret exposure to remote code execution. Tracked as CVE-2026-66066 (GHSA-xr9x-r78c-5hrm), the flaw affects Active Storage releases before 7.2.3.2, as well as vulnerable Rails 8.0 and 8.1 releases, when […]
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