# CVE-2024-47874: PYSEC-2026-1943 - Starlette Denial of service (DoS) via multipart/form-data

Source: https://junglewise.ai/threats/cve-2024-47874-starlette-denial-of-service-dos-via-multipart-form-data  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2024-47874 · Severity: low · CVSS 3.1 · Published 2026-07-07

Starlette Denial of service (DoS) via multipart/form-data

Technologies: [starlette (PyPI)](https://junglewise.ai/threats/technologies/pypi-starlette). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2024-47874 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-47874 being exploited in the wild.

**How severe is CVE-2024-47874?** Low severity, with a CVSS score of 3.1, published 7 July 2026.

**Which products and versions are affected?** starlette (PyPI) ECOSYSTEM:introduced=0,fixed=0.40.0.

**Is there a fix for CVE-2024-47874?** Yes. starlette (PyPI): upgrade to 0.40.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2024-47874?** Check whether you run starlette (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- starlette (PyPI): upgrade to 0.40.0 or later

  ```sh
  pip install "starlette>=0.40.0"
  ```


## Affected products

- starlette (PyPI) ECOSYSTEM:introduced=0,fixed=0.40.0

## Identifiers

- CVE-2024-47874
- GHSA-f96h-pmfr-66vw
- PYSEC-2026-1943

## Related threats

- [PYSEC-2026-1941 - Starlette has possible denial-of-service vector when parsing large files in multipart forms](https://junglewise.ai/threats/cve-2025-54121-starlette-denial-of-service-in-multipart-form-parsing)
- [Starlette denial of service via resource limit bypass in request.form](https://junglewise.ai/threats/cve-2026-54283-starlette-denial-of-service-via-resource-limit-bypass-in-request)
- [Kludex Starlette hostname spoofing via unvalidated request path](https://junglewise.ai/threats/cve-2026-54282-kludex-starlette-hostname-spoofing-via-unvalidated-request-path)
- [Starlette unsafe reflection in HTTPEndpoint method dispatching](https://junglewise.ai/threats/cve-2026-48817-starlette-unsafe-reflection-in-httpendpoint-method-dispatching)
- [Kludex Starlette SSRF and NTLM credential theft in StaticFiles on Windows](https://junglewise.ai/threats/cve-2026-48818-kludex-starlette-ssrf-and-ntlm-credential-theft-in-staticfiles-on)
