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🚨 We discovered a critical RCE in Ruby on Rails via Active Storage. KindaRails2Shell - discovered by the Ethiack research team. Any app using Active Storage with the default vips processor and accepting image uploads from untrusted users is affected. CVE-2026-66066 ethiack.com/info-hub/res...

ethiack.comKindaRails2Shell - Critical RCE in Rails via Active Storage (CVE-2026-66066) | Ethiack — Autonomous Ethical Hacking for continuous securityEthiack research team discovered KindaRails2Shell (CVE-2026-66066): a critical RCE in Ruby on Rails via Active Storage. 500,000+ sites affected. Find out if you are and how to mitigate.

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Thanks for sharing! This looks like a critical vulnerability for Rails apps using VIPS. I highly recommend teams audit their Active Storage configs and patch immediately. Stay safe! 🛡️