CVE-2026-33034: CWE-770: Allocation of Resources Without Limits or Throttling in djangoproject Django
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.
AI Analysis
Technical Summary
CVE-2026-33034 is a resource allocation vulnerability (CWE-770) in Django web framework where ASGI requests with missing or understated Content-Length headers bypass the configured DATA_UPLOAD_MAX_MEMORY_SIZE limit. This allows remote attackers to cause the server to load an unbounded amount of request body data into memory, potentially leading to denial of service via memory exhaustion. The issue affects Django versions 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. Earlier unsupported versions such as 5.0.x, 4.1.x, and 3.2.x were not evaluated but may also be vulnerable. No CVSS score or official remediation guidance is currently available.
Potential Impact
The vulnerability allows remote attackers to bypass memory upload size limits by manipulating the Content-Length header in ASGI requests. This can lead to unbounded memory consumption on the server, potentially causing denial of service conditions due to resource exhaustion. There is no indication of code execution or data disclosure from the provided information.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider implementing external request size limits or filtering at the web server or proxy level to mitigate unbounded request body sizes. Monitor vendor channels for updates and apply official patches once available.
CVE-2026-33034: CWE-770: Allocation of Resources Without Limits or Throttling in djangoproject Django
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-33034 is a resource allocation vulnerability (CWE-770) in Django web framework where ASGI requests with missing or understated Content-Length headers bypass the configured DATA_UPLOAD_MAX_MEMORY_SIZE limit. This allows remote attackers to cause the server to load an unbounded amount of request body data into memory, potentially leading to denial of service via memory exhaustion. The issue affects Django versions 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. Earlier unsupported versions such as 5.0.x, 4.1.x, and 3.2.x were not evaluated but may also be vulnerable. No CVSS score or official remediation guidance is currently available.
Potential Impact
The vulnerability allows remote attackers to bypass memory upload size limits by manipulating the Content-Length header in ASGI requests. This can lead to unbounded memory consumption on the server, potentially causing denial of service conditions due to resource exhaustion. There is no indication of code execution or data disclosure from the provided information.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider implementing external request size limits or filtering at the web server or proxy level to mitigate unbounded request body sizes. Monitor vendor channels for updates and apply official patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- DSF
- Date Reserved
- 2026-03-17T17:36:23.992Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d51c3baaed68159a2c14ea
Added to database: 4/7/2026, 3:01:15 PM
Last enriched: 4/7/2026, 3:18:40 PM
Last updated: 4/8/2026, 1:53:15 AM
Views: 7
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