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Rails patches critical Active Storage flaw with RCE potential

A critical vulnerability in the Active Storage framework can allow an unauthenticated attacker to read arbitrary files from a Rails application, and potentially escalate to remote code execution (RCE).

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Rails patches critical Active Storage flaw with RCE potential

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mercoledì 29 luglio 2026·dev.to
Patch Your Rails: Active Storage CVE-2026-66066
A critical Active Storage vulnerability allows arbitrary file read and possible remote code execution through libvips variant processing. Here's what to check and how to patch.
mercoledì 29 luglio 2026·thehackernews.com
Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads
CVE-2026-66066 could expose Rails server files through image uploads, leaking secrets that may enable RCE or lateral movement.

Rails patches critical Active Storage flaw with RCE potential

Confronto fonti

Rails patches critical Active Storage flaw with RCE potential

Timeline cronologica

Patch Your Rails: Active Storage CVE-2026-66066

Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

Critical Rails Flaw Could Let Unauthenticated Attackers Read Server Files via Image Uploads

Ruby on Rails Patches Critical Vulnerability

Ruby on Rails critical bug puts every image upload under scrutiny

KindaRails2Shell (CVE-2026-66066): Arbitrary File Read and RCE via Active Storage Uploads

Key theft in Ruby on Rails – Critical vulnerability with prepared images

KindaRails2Shell (CVE-2026-66066): Arbitrary File Read and RCE via Active Storage Uploads

Ruby on Rails Patches Critical Vulnerability

Rails patches critical Active Storage flaw with RCE potential

Key theft in Ruby on Rails – Critical vulnerability with prepared images

Ruby on Rails critical bug puts every image upload under scrutiny