Vulnerability advisory

GHSA-933h-hp56-hf7m

Django: SGI requests with a missing or understated `Content-Length` header could bypass the `DATA_UPLOAD_MAX_MEMORY_SIZE` limit

Published Apr 7, 2026Updated Sep 10, 2026OSV record ↗

Also known as BIT-django-2026-33034CVE-2026-33034PYSEC-2026-49

Severity

CVSS 3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected versions

django PyPI

All django advisories →

Affected	Fixed in
`6.0` to before 6.0.4	`6.0.4`Advisories →
Also listed as affected (4) `6.0` `6.0.1` `6.0.2` `6.0.3`
`5.2` to before 5.2.13	`5.2.13`Advisories →
Also listed as affected (13) `5.2` `5.2.1` `5.2.10` `5.2.11` `5.2.12` `5.2.2` `5.2.3` `5.2.4` `5.2.5` `5.2.6` `5.2.7` `5.2.8` `5.2.9`
`4.2` to before 4.2.30	`4.2.30`Advisories →
Also listed as affected (30) `4.2` `4.2.1` `4.2.10` `4.2.11` `4.2.12` `4.2.13` `4.2.14` `4.2.15` `4.2.16` `4.2.17` `4.2.18` `4.2.19` `4.2.2` `4.2.20` `4.2.21` `4.2.22` `4.2.23` `4.2.24` `4.2.25` `4.2.26` `4.2.27` `4.2.28` `4.2.29` `4.2.3` `4.2.4` `4.2.5` `4.2.6` `4.2.7` `4.2.8` `4.2.9`

Description

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. ASGI requests with a missing or understated Content-Length header could bypass the DATA_UPLOAD_MAX_MEMORY_SIZE limit when reading HttpRequest.body, allowing remote attackers to load an unbounded request body into memory.

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 Superior for reporting this issue.

GHSA-933h-hp56-hf7m

Affected versions

django PyPI

Description

References