Django 3.1.13 release notes

July 1, 2021

Django 3.1.13 fixes a security issue with severity "high" in 3.1.12.

CVE-2021-35042: Potential SQL injection via unsanitized QuerySet.order_by() input

Unsanitized user input passed to QuerySet.order_by() could bypass intended column reference validation in path marked for deprecation resulting in a potential SQL injection even if a deprecation warning is emitted.

As a mitigation the strict column reference validation was restored for the duration of the deprecation period. This regression appeared in 3.1 as a side effect of fixing #31426.

The issue is not present in the main branch as the deprecated path has been removed.

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