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Critical Rails Active Storage Flaw Enables Arbitrary File Writes via ImageMagick Uploads

Critical Rails Active Storage Flaw Enables Arbitrary File Writes via ImageMagick Uploads

RedSide Security November 04, 2026 Vulnerability 6 views

A critical Active Storage flaw in Ruby on Rails can let unauthenticated attackers write arbitrary files to a server when uploads are processed with ImageMagick. Patched versions 8.1.4.1 and 8.0.5.2 are available.

CVE Patch Management Web Security Ruby on Rails Active Storage ImageMagick Arbitrary File Write
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