CVE-2008-5189: Rubyonrails Rails

Medium severity, CVSS 5.0. EPSS: 1.5% chance of exploitation in the next 30 days.

CRLF injection vulnerability in Ruby on Rails before 2.0.5 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a crafted URL to the redirect_to function.

Affected products

• Rubyonrails Rails: version 0.9.1 only; version 0.9.2 only; version 0.9.3 only; version 0.9.4 only; version 0.9.4.1 only; version 0.10.0 only; …
• Rubyonrails Ruby On Rails: up to and including 2.0.4; version 0.5.0 only; version 0.5.5 only; version 0.5.6 only; version 0.5.7 only; version 0.6.0 only; …

Published 2008-11-21. Last modified 2026-06-16.