Tag: rails security flaw

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Rows of computer servers and storage equipment with a single workstation and slightly ajar laptop screen or file cabinet…

Rails Flaw Exposes Server Files to Unauthenticated Attackers

A critical security flaw in Rails, known as CVE-2026-66066, could let hackers read sensitive files from your server, including secret keys, database passwords, and API tokens, by exploiting image uploads. This vulnerability affects various Rails releases, including versions 7.0.0 through 7.2.3.1, 8.0.0 through 8.0.5, and 8.1.0 through 8.1.3.

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