# httpx2 (PyPI) vulnerabilities

Source: https://junglewise.ai/threats/technologies/httpx2  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/httpx2.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in httpx2 (PyPI): 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-84382, was published on 2 September 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 5
- All time: 5 (0 critical, 0 exploited in the wild)

## About httpx2 (PyPI)

Python async HTTP client and server framework for HTTP/1.1 and HTTP/2 connections.

## Latest httpx2 (PyPI) vulnerabilities

- [CVE-2026-84382: Pydantic HTTPX2 decompression memory amplification](https://junglewise.ai/threats/cve-2026-84382-pydantic-httpx2-decompression-memory-amplification) (high, CVSS 7.5, published 2 Sep 2026)
- [CVE-2026-84381: HTTPX2 secure WebSocket plaintext transmission via SOCKS proxy](https://junglewise.ai/threats/cve-2026-84381-httpx2-secure-websocket-plaintext-transmission-via-socks-proxy) (high, CVSS 8.1, published 2 Sep 2026)
- [CVE-2026-84380: Pydantic HTTPX2 HTTP request smuggling via conflicting headers](https://junglewise.ai/threats/cve-2026-84380-pydantic-httpx2-http-request-smuggling-via-conflicting-headers) (medium, CVSS 5.6, published 2 Sep 2026)
- [CVE-2026-84379: HTTPX2 multipart header injection via unvalidated Content-Type and headers](https://junglewise.ai/threats/cve-2026-84379-httpx2-multipart-header-injection-via-unvalidated-content-type) (medium, CVSS 5.3, published 2 Sep 2026)
- [CVE-2026-84378: HTTPX2 is a next generation HTTP client for Python. From 2.5.0 until 2.10.0, the HTTPX2 Server-Sent Events parser in…](https://junglewise.ai/threats/cve-2026-84378-httpx2-quadratic-sse-line-buffering-denial-of-service) (medium, CVSS 5.9, published 2 Sep 2026)

## Most severe httpx2 (PyPI) vulnerabilities

- [CVE-2026-84381: HTTPX2 secure WebSocket plaintext transmission via SOCKS proxy](https://junglewise.ai/threats/cve-2026-84381-httpx2-secure-websocket-plaintext-transmission-via-socks-proxy) (high, CVSS 8.1, published 2 Sep 2026)
- [CVE-2026-84382: Pydantic HTTPX2 decompression memory amplification](https://junglewise.ai/threats/cve-2026-84382-pydantic-httpx2-decompression-memory-amplification) (high, CVSS 7.5, published 2 Sep 2026)
- [CVE-2026-84378: HTTPX2 is a next generation HTTP client for Python. From 2.5.0 until 2.10.0, the HTTPX2 Server-Sent Events parser in…](https://junglewise.ai/threats/cve-2026-84378-httpx2-quadratic-sse-line-buffering-denial-of-service) (medium, CVSS 5.9, published 2 Sep 2026)
- [CVE-2026-84380: Pydantic HTTPX2 HTTP request smuggling via conflicting headers](https://junglewise.ai/threats/cve-2026-84380-pydantic-httpx2-http-request-smuggling-via-conflicting-headers) (medium, CVSS 5.6, published 2 Sep 2026)
- [CVE-2026-84379: HTTPX2 multipart header injection via unvalidated Content-Type and headers](https://junglewise.ai/threats/cve-2026-84379-httpx2-multipart-header-injection-via-unvalidated-content-type) (medium, CVSS 5.3, published 2 Sep 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 5 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other PyPI technologies

- [tensorflow (PyPI)](https://junglewise.ai/threats/technologies/pypi-tensorflow): 435 vulnerabilities
- [tensorflow-cpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-cpu): 430 vulnerabilities
- [tensorflow-gpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-gpu): 427 vulnerabilities
- [open-webui (PyPI)](https://junglewise.ai/threats/technologies/open-webui): 177 vulnerabilities
- [Django (PyPI)](https://junglewise.ai/threats/technologies/django): 173 vulnerabilities
- [apache-airflow (PyPI)](https://junglewise.ai/threats/technologies/apache-airflow): 159 vulnerabilities
- [pillow (PyPI)](https://junglewise.ai/threats/technologies/pillow): 125 vulnerabilities
- [praisonai (PyPI)](https://junglewise.ai/threats/technologies/pypi-praisonai): 120 vulnerabilities
- [vllm (PyPI)](https://junglewise.ai/threats/technologies/pypi-vllm): 117 vulnerabilities
- [plone (PyPI)](https://junglewise.ai/threats/technologies/pypi-plone): 101 vulnerabilities
- [mlflow (PyPI)](https://junglewise.ai/threats/technologies/mlflow): 88 vulnerabilities
- [picklescan (PyPI)](https://junglewise.ai/threats/technologies/picklescan): 86 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "httpx2 (PyPI) vulnerabilities", https://junglewise.ai/threats/technologies/httpx2, 13 November 2026.