CVE-2016-6317: Rubyonrails Rails

High severity, CVSS 7.5. EPSS: 3.9% chance of exploitation in the next 30 days.

Action Record in Ruby on Rails 4.2.x before 4.2.7.1 does not properly consider differences in parameter handling between the Active Record component and the JSON implementation, which allows remote attackers to bypass intended database-query restrictions and perform NULL checks or trigger missing WHERE clauses via a crafted request, as demonstrated by certain "[nil]" values, a related issue to CVE-2012-2660, CVE-2012-2694, and CVE-2013-0155.

Affected products

• Rubyonrails Rails: version 4.2.0 only; version 4.2.1 only; version 4.2.2 only; version 4.2.3 only; version 4.2.4 only; version 4.2.5 only; …

Published 2016-09-07. Last modified 2026-06-17.