CVE-2026-71240 DjangoCRM - Unauthenticated Open Redirect via toggle_default_sorting next_url Parameter

Medium 4.3 Published Updated

Unauthenticated attackers can redirect users to arbitrary same-site paths via the toggle_default_sorting view, bypassing intended navigation controls.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-71240?

CVE-2026-71240 is a medium-severity vulnerability in DjangoCRM django-crm, published on 5 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

DjangoCRM's toggle_default_sorting view is the only route in common/urls.py that is not wrapped in login_required or staff_member_required, and it redirects to a caller-supplied next_url GET parameter after only checking secure_url(next_url), which merely verifies the target host matches the current site's domain (blocking only cross-domain redirects) while allowing any same-site path with no authentication required to reach the view.

Weakness: CWE-601

Which versions are affected by CVE-2026-71240?

How do I fix CVE-2026-71240?

No fix has been published for CVE-2026-71240 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-71240 being exploited?

There is no known exploitation of CVE-2026-71240 in the wild and no public exploit code.

Sources

Also known as GHSA-q389-cg45-h4hc.

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