User Impersonation Affecting django package, versions [4.2a1,4.2.30)[5.0a1,5.2.13)[6.0a1,6.0.4)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-DJANGO-15923569
- published7 Apr 2026
- disclosed7 Apr 2026
- creditTarek Nakkouch
Introduced: 7 Apr 2026
CVE-2026-3902 (opens in a new tab)How to fix?
Upgrade Django to version 4.2.30, 5.2.13, 6.0.4 or higher.
Overview
Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.
Affected versions of this package are vulnerable to User Impersonation via the ASGIRequest objects. An attacker can impersonate users or manipulate request headers by exploiting the ambiguous mapping between headers containing hyphens and underscores.