Rubyonrails security advisory (AV26-1129)

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        <div><p><strong>Serial number: </strong>AV26-1129<br /><strong>Date: </strong>November 5, 2026</p>

As of November 4, 2026, Rubyonrails is affected by a vulnerability in the following product:

  • Active Storage
    • Prior to 8.0.5.2
    • Prior to 8.1.4.1

The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available.

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Article Link: Rubyonrails security advisory (AV26-1129) - Canadian Centre for Cyber Security