urllib3 redirects are not disabled when retries are disabled on PoolManager instantiation
CVE-2025-50181 is fixed in 9 products on 1 platform, first by python-urllib3 1.22-1ubuntu0.18.04.2+esm3, released June 18, 2025. It is not reported as exploited. Patch Radar priority: Routine.
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 aPoolManager and specifying retries in a way that disable redirects. Bydefault, requests and botocore users are not affected. An applicationattempting to mitigate SSRF or open redirect vulnerabilities by disablingredirects at the PoolManager level will remain vulnerable. This issue hasbeen patched in version 2.5.0.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-urllib3 · Debian 11.6 (bullseye) | 1.26.5-1~exp1+deb11u2 | DLA-4421-1 | Dec 26, 2025 |
| python-urllib3 · Debian 12.15 (bookworm) | 1.26.12-1+deb12u2 | DEBIAN-CVE-2025-50181 | Jun 19, 2025 |
| python-urllib3 · Debian 13.5 (trixie) | 2.3.0-3 | DEBIAN-CVE-2025-50181 | Jun 19, 2025 |
| python-urllib3 · Debian 14 | 2.3.0-3 | DEBIAN-CVE-2025-50181 | Jun 19, 2025 |
| python-urllib3 · Ubuntu 18.04.6 LTS (bionic) | 1.22-1ubuntu0.18.04.2+esm3 | python-urllib3 1.22-1ubuntu0.18.04.2+esm3 | Jun 18, 2025 |
| python-urllib3 · opensuse-leap 15.6 | 2.0.7-150400.7.21.1 | SUSE-SU-2025:02735-1 | Aug 8, 2025 |
| python-urllib3 · sles 15.6 | 1.25.10-150300.4.18.1 | SUSE-SU-2025:02985-1 | Aug 25, 2025 |
| python-urllib3 · sles 15.7 | 1.25.10-150300.4.18.1 | SUSE-SU-2025:02985-1 | Aug 25, 2025 |
| python3-pip · Ubuntu 22.04.1 LTS (jammy) | 22.0.2+dfsg-1ubuntu0.6 | python3-pip 22.0.2+dfsg-1ubuntu0.6 | Jun 18, 2025 |
| python3-pip · Ubuntu 24.04.5 LTS (noble) | 24.0+dfsg-1ubuntu1.2 | python3-pip 24.0+dfsg-1ubuntu1.2 | Jun 18, 2025 |
| python3-pip · Ubuntu 24.10 (oracular) | 24.2+dfsg-1ubuntu0.2 | python3-pip 24.2+dfsg-1ubuntu0.2 | Jan 16, 2026 |
| python3-pip · Ubuntu 25.04 (plucky) | 25.0+dfsg-1ubuntu0.1 | python3-pip 25.0+dfsg-1ubuntu0.1 | Jan 16, 2026 |
| python3-pip · amzn 2023 | 21.3.1-2.amzn2023.0.13 | ALAS2023-2025-1095 | Jul 21, 2025 |
| python3-pip-wheel · amzn 2023 | 21.3.1-2.amzn2023.0.13 | ALAS2023-2025-1095 | Jul 21, 2025 |
| python3-pip-whl · Ubuntu 22.04.1 LTS (jammy) | 22.0.2+dfsg-1ubuntu0.6 | python3-pip-whl 22.0.2+dfsg-1ubuntu0.6 | Jun 18, 2025 |
| python3-pip-whl · Ubuntu 24.04.5 LTS (noble) | 24.0+dfsg-1ubuntu1.2 | python3-pip-whl 24.0+dfsg-1ubuntu1.2 | Jun 18, 2025 |
| python3-pip-whl · Ubuntu 24.10 (oracular) | 24.2+dfsg-1ubuntu0.2 | python3-pip-whl 24.2+dfsg-1ubuntu0.2 | Jan 16, 2026 |
| python3-pip-whl · Ubuntu 25.04 (plucky) | 25.0+dfsg-1ubuntu0.1 | python3-pip-whl 25.0+dfsg-1ubuntu0.1 | Jan 16, 2026 |
| python3-urllib3 · Ubuntu 18.04.6 LTS (bionic) | 1.22-1ubuntu0.18.04.2+esm3 | python3-urllib3 1.22-1ubuntu0.18.04.2+esm3 | Jun 18, 2025 |
| python3-urllib3 · Ubuntu 20.04 LTS (focal) | 1.25.8-2ubuntu0.4+esm1 | python3-urllib3 1.25.8-2ubuntu0.4+esm1 | Jun 18, 2025 |
| python3-urllib3 · Ubuntu 22.04.1 LTS (jammy) | 1.26.5-1~exp1ubuntu0.3 | python3-urllib3 1.26.5-1~exp1ubuntu0.3 | Jun 18, 2025 |
| python3-urllib3 · Ubuntu 24.04.5 LTS (noble) | 2.0.7-1ubuntu0.2 | python3-urllib3 2.0.7-1ubuntu0.2 | Jun 18, 2025 |
| python3-urllib3 · Ubuntu 24.10 (oracular) | 2.0.7-2ubuntu0.2 | python3-urllib3 2.0.7-2ubuntu0.2 | Jan 16, 2026 |
| python3-urllib3 · Ubuntu 25.04 (plucky) | 2.3.0-2ubuntu0.1 | python3-urllib3 2.3.0-2ubuntu0.1 | Jan 16, 2026 |
| python3-urllib3 · amzn 2023 | 1.25.10-5.amzn2023.0.5 | ALAS2023-2025-1059 | Jul 3, 2025 |
| python3.11-pip · amzn 2023 | 22.3.1-2.amzn2023.0.7 | ALAS2023-2025-1097 | Jul 21, 2025 |
| python3.11-pip-wheel · amzn 2023 | 22.3.1-2.amzn2023.0.7 | ALAS2023-2025-1097 | Jul 21, 2025 |
| python3.12-pip · amzn 2023 | 23.2.1-4.amzn2023.0.5 | ALAS2023-2025-1096 | Jul 21, 2025 |
| python3.12-pip-wheel · amzn 2023 | 23.2.1-4.amzn2023.0.5 | ALAS2023-2025-1096 | Jul 21, 2025 |
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