Description
urllib3 is a user-friendly HTTP client library for Python. Prior to 2.5.0, it is possible to disable redirects for all requests by instantiating a PoolManager and specifying retries in a way that disable redirects. By default, requests and botocore users are not affected. An application attempting to mitigate SSRF or open redirect vulnerabilities by disabling redirects at the PoolManager level will remain vulnerable. This issue has been patched in version 2.5.0.
References (3)
Core 3
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/urllib3/urllib3/security/advisories/GHSA-pq67-6m6q-mj2v
Patch x_refsource_misc
https://github.com/urllib3/urllib3/commit/f05b1329126d5be6de501f9d1e3e36738bc08857
Release Notes x_refsource_misc
https://github.com/urllib3/urllib3/releases/tag/2.5.0
Scores
CVSS v3
5.3
EPSS
0.0008
EPSS Percentile
23.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-601
Status
published
Products (2)
pypi/urllib3
0 - 2.5.0PyPI
python/urllib3
< 2.5.0
Published
Jun 19, 2025
Tracked Since
Feb 18, 2026