CVE-2026-3902

A flaw was found in Django. A remote attacker can exploit an ambiguous mapping of header variants with hyphens or underscores to a single version with underscores in ASGIRequest. This vulnerability allows the attacker to spoof headers, potentially leading to unauthorized actions or misdirection...

CVE-2026-3902

CVE-2026-3902 affects Django: vulnerable in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. The flaw in ASGIRequest allows a remote attacker to spoof headers by conflating hyphen and underscore variants, via an ambiguous header mapping. Exploitation status is not provided in the sourc...