twisted.web has disordered HTTP pipeline response
Priority HIGH 69CWE-444Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00863 58th percentileScored 2026-11-07
Fix Fixed twisted (PyPI): 24.7.0rc1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| twisted | twisted | up to 24.3.0 | — | No fix listed | CNA |
| — | twisted (PyPI) | before 24.7.0rc1 | 24.7.0rc1 | Patch available | GHSA-c8m8-j448-xjx7 |
- twisted Vendortwisted Affected up to 24.3.0 Fixed in — No fix listed CNA
- twisted (PyPI) Vendor— Affected before 24.7.0rc1 Fixed in 24.7.0rc1 Patch available GHSA-c8m8-j448-xjx7
Remediation
- Fix · GHSA-c8m8-j448-xjx7 twisted (PyPI) Fixed in 24.7.0rc1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-41671
- 2026-10-03 Alias added: GHSA-c8m8-j448-xjx7
References
Other 6
- 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
- https://github.com/twisted/twisted
- https://lists.debian.org/debian-lts-announce/2024/11/msg00028.html
- https://www.vicarius.io/vsociety/posts/disordered-http-pipeline-in-twistedweb-cve-2024-4167
More twisted vulnerabilities
- TI-2026-79985 Unauthenticated memory exhaustion in Twisted domish XML parser CVSS 4.0HIGH 8.7
- TI-2026-30612 Twisted: Denial of Service (DoS) in twisted.names via Crafted DNS Compression Pointer Chains CVSS 3.1HIGH 7.5
- TI-2022-06090 Buffer Overflow in Twisted CVSS 3.1HIGH 7.5
- TI-2024-27854 HTML injection in HTTP redirect body CVSS 3.1MEDIUM 6.1
- TI-2026-79989 HTTP request smuggling in Twisted web via bare CR or LF in headers CVSS 3.1MEDIUM 5.4
- TI-2022-18723 Twisted vulnerable to NameVirtualHost Host header injection CVSS 3.1MEDIUM 5.4
Sources
- CVE-2024-41671 · CVE Program
- CVE-2024-41671 · NVD
- FIRST EPSS
- GHSA-c8m8-j448-xjx7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences