8.2
High
CVE-2026-44431 urllib3 is an HTTP client library for Python
Description
urllib3 is an HTTP client library for Python. From 1.23 to before 2.7.0, cross-origin redirects followed from the low-level API via ProxyManager.connection_from_url().urlopen(..., assert_same_host=False) still forward these sensitive headers. This vulnerability is fixed in 2.7.0.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| urllib3 1.23 | 1.23 → < 2.7.0 | 2.7.0 |
References
- github.com github.com
Timeline
- Published
- Last modified