Bug 2566942 (CVE-2026-122006) - CVE-2026-122006 activestorage: activestorage: arbitrary file read and write via ImageMagick attachment analysis
Summary: CVE-2026-122006 activestorage: activestorage: arbitrary file read and write v...
Keywords:
Status: NEW
Alias: CVE-2026-122006
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2567148
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-11-04 14:23 UTC by OSIDB Bzimport
Modified: 2026-11-04 18:40 UTC (History)
20 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-11-04 14:23:26 UTC 
The activestorage gem before 8.1.4.1 for Ruby on Rails, when ImageMagick attachment processing occurs, can allow server read and write operations (e.g., reading secret_key_base) because the ImageMagick analyzer runs when a file is attached, and there is not an ImageMagick security policy to block unintended functionality.
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