POC github.com/Zer0SumGam3 Jul 30, 2026 by Zer0SumGam3

CVE-2026-66066: Ruby on Rails Active Storage File-Read-to-RCE Chain via libvips HDF5 Parsing

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-66066

More Coverage

medium.com CVE-2026-66066: Rails Active Storage Arbitrary File Read Chains to RCE via libvips (KindaRails2Shell)

Aug 20, 2026

vuln.today Critical RCE in Ruby on Rails Active Storage libvips Processor - CVE-2026-66066

Jul 30, 2026