#VU125097 Improper input validation in Django - CVE-2026-33034

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Main Vulnerability Database Vulnerabilities #VU125097

#VU125097 Improper input validation in Django - CVE-2026-33034

Published: April 7, 2026


Vulnerability identifier: #VU125097
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-33034
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Django
Software vendor:
Django Software Foundation

Description

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper input validation in ASGI request handling when reading HttpRequest.body from requests with a missing or understated Content-Length header. A remote attacker can send a specially crafted request to cause a denial of service.

The issue can bypass the DATA_UPLOAD_MAX_MEMORY_SIZE limit and load an unbounded request body into memory.


Remediation

Install security update from vendor's website.

External links