urllib3 is a user-friendly HTTP client library for Python. urllib3 doesn't treat the `Cookie` HTTP header special or provide any helpers for managing cookies over HTTP, that is the responsibility of the user. However, it is possible for a user to specify a `Cookie` header and unknowingly leak information via HTTP redirects to a different origin if that user doesn't disable redirects explicitly. This issue has been patched in urllib3 version 1.26.17 or 2.0.5.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| urllib3(PyPI) | 2.0.0 | 2.0.6 | N/A |
| urllib3(PyPI) | 0 | 1.26.17 | N/A |
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