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CVE-2025-14550

HIGH CVSS 3.1: 7.5 EPSS 0.06%
Updated Feb 04, 2026
Djangoproject
Parameter Value
CVSS 7.5 (HIGH)
Affected Versions 4.2 — 6.0.2
Fixed In 4.2.28
Type CWE-407
Vendor Djangoproject
Public PoC No

An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28. `ASGIRequest` allows a remote attacker to cause a potential denial-of-service via a crafted request with multiple duplicate headers. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Jiyong Yang for reporting this issue.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 3

Configuration From (including) Up to (excluding)
Djangoproject Django
cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*
4.2 4.2.28
Djangoproject Django
cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*
5.2 5.2.11
Djangoproject Django
cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*
6.0 6.0.2