CVE-2011-4138: Djangoproject Django

Medium severity, CVSS 5.0. EPSS: 2.4% chance of exploitation in the next 30 days.

The verify_exists functionality in the URLField implementation in Django before 1.2.7 and 1.3.x before 1.3.1 originally tests a URL's validity through a HEAD request, but then uses a GET request for the new target URL in the case of a redirect, which might allow remote attackers to trigger arbitrary GET requests with an unintended source IP address via a crafted Location header.

Affected products

• Djangoproject Django: up to and including 1.2.6; version 0.91 only; version 0.95 only; version 0.95.1 only; version 0.96 only; version 1.0 only; …

Published 2011-10-19. Last modified 2026-06-16.