httpx2 (PyPI)
A next generation HTTP client for Python. 🦋
Advisories
15
Latest version
2.16.0
Released Oct 21, 2026
License
BSD-3-Clause
OpenSSF Scorecard
—
How to fix
Upgrading to 2.12.0 or later clears every advisory below that has a fix.
Upgrade commands
pip
pip install --upgrade "httpx2>=2.16.0"poetry
poetry add "httpx2>=2.16.0"uv
uv add "httpx2>=2.16.0"Known vulnerabilities
| Advisory | Severity | Affected | Fixed in |
|---|---|---|---|
| GHSA-8xx6-hgc6-gc2m HTTPX2: Streaming response decompression does not bound peak memory (decompression amplification) |
High EPSS 0.63% |
< 2.12.0 | 2.12.0 |
| GHSA-8xx6-hgc6-gc2m HTTPX2: Streaming response decompression does not bound peak memory (decompression amplification) |
High EPSS 0.63% |
< 2.12.0 | 2.12.0 |
| GHSA-8xx6-hgc6-gc2m HTTPX2: Streaming response decompression does not bound peak memory (decompression amplification) |
High EPSS 0.63% |
< 2.12.0 | 2.12.0 |
| GHSA-7mj9-2mp8-4m2p HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies |
High EPSS 0.11% |
>= 2.6.0, < 2.10.0 | 2.10.0 |
| GHSA-7mj9-2mp8-4m2p HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies |
High EPSS 0.11% |
>= 2.6.0, < 2.10.0 | 2.10.0 |
| GHSA-7mj9-2mp8-4m2p HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies |
High EPSS 0.11% |
>= 2.6.0, < 2.10.0 | 2.10.0 |
| GHSA-pf96-p4fj-6566 HTTPX2: Conflicting Content-Length and Transfer-Encoding headers can be auto-generated |
Medium EPSS 0.22% |
< 2.11.0 | 2.11.0 |
| GHSA-pf96-p4fj-6566 HTTPX2: Conflicting Content-Length and Transfer-Encoding headers can be auto-generated |
Medium EPSS 0.22% |
< 2.11.0 | 2.11.0 |
| GHSA-pf96-p4fj-6566 HTTPX2: Conflicting Content-Length and Transfer-Encoding headers can be auto-generated |
Medium EPSS 0.22% |
< 2.11.0 | 2.11.0 |
| GHSA-h4x7-gw46-3wm6 HTTPX2: Multipart part header injection via unvalidated file Content-Type and custom headers |
Medium EPSS 0.32% |
< 2.11.0 | 2.11.0 |
| GHSA-h4x7-gw46-3wm6 HTTPX2: Multipart part header injection via unvalidated file Content-Type and custom headers |
Medium EPSS 0.32% |
< 2.11.0 | 2.11.0 |
| GHSA-h4x7-gw46-3wm6 HTTPX2: Multipart part header injection via unvalidated file Content-Type and custom headers |
Medium EPSS 0.32% |
< 2.11.0 | 2.11.0 |
| GHSA-f2fp-rgf2-35cp HTTPX2: Quadratic SSE line buffering can cause CPU denial of service |
Medium EPSS 0.32% |
>= 2.5.0, < 2.10.0 | 2.10.0 |
| GHSA-f2fp-rgf2-35cp HTTPX2: Quadratic SSE line buffering can cause CPU denial of service |
Medium EPSS 0.32% |
>= 2.5.0, < 2.10.0 | 2.10.0 |
| GHSA-f2fp-rgf2-35cp HTTPX2: Quadratic SSE line buffering can cause CPU denial of service |
Medium EPSS 0.32% |
>= 2.5.0, < 2.10.0 | 2.10.0 |
Source: https://github.com/pydantic/httpx2
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