# CVE-2025-50181: 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. - Web page: https://patchblox.com/security/cve/CVE-2025-50181 - Priority: Routine - CVSS: 6.1 (Moderate) - EPSS: 0.0047 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Jun 18, 2025 - Weakness: URL Redirection to Untrusted Site ('Open Redirect') - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-50181 ## 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 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 | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | python-urllib3 Debian 11.6 (bullseye) | 1.26.5-1~exp1+deb11u2 | [DLA-4421-1](https://patchblox.com/security/data/fix/linux/dla-4421-1.md) | Dec 26, 2025 | | Linux | python-urllib3 Debian 12.15 (bookworm) | 1.26.12-1+deb12u2 | [DEBIAN-CVE-2025-50181](https://patchblox.com/security/data/fix/linux/debian-cve-2025-50181.md) | Jun 19, 2025 | | Linux | python-urllib3 Debian 13.5 (trixie) | 2.3.0-3 | [DEBIAN-CVE-2025-50181](https://patchblox.com/security/data/fix/linux/debian-cve-2025-50181.md) | Jun 19, 2025 | | Linux | python-urllib3 Debian 14 | 2.3.0-3 | [DEBIAN-CVE-2025-50181](https://patchblox.com/security/data/fix/linux/debian-cve-2025-50181.md) | Jun 19, 2025 | | Linux | python-urllib3 Ubuntu 18.04.6 LTS (bionic) | 1.22-1ubuntu0.18.04.2+esm3 | [python-urllib3 1.22-1ubuntu0.18.04.2+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-urllib3-1.22-1ubuntu0.18.04.2-esm3.md) | Jun 18, 2025 | | Linux | python-urllib3 opensuse-leap 15.6 | 2.0.7-150400.7.21.1 | [SUSE-SU-2025:02735-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02735-1.md) | Aug 8, 2025 | | Linux | python-urllib3 sles 15.6 | 1.25.10-150300.4.18.1 | [SUSE-SU-2025:02985-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02985-1.md) | Aug 25, 2025 | | Linux | python-urllib3 sles 15.7 | 1.25.10-150300.4.18.1 | [SUSE-SU-2025:02985-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-02985-1.md) | Aug 25, 2025 | | Linux | python3-pip Ubuntu 22.04.1 LTS (jammy) | 22.0.2+dfsg-1ubuntu0.6 | [python3-pip 22.0.2+dfsg-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-pip-22.0.2-dfsg-1ubuntu0.6.md) | Jun 18, 2025 | | Linux | python3-pip Ubuntu 24.04.5 LTS (noble) | 24.0+dfsg-1ubuntu1.2 | [python3-pip 24.0+dfsg-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-python3-pip-24.0-dfsg-1ubuntu1.2.md) | Jun 18, 2025 | | Linux | python3-pip Ubuntu 24.10 (oracular) | 24.2+dfsg-1ubuntu0.2 | [python3-pip 24.2+dfsg-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-python3-pip-24.2-dfsg-1ubuntu0.2.md) | Jan 16, 2026 | | Linux | python3-pip Ubuntu 25.04 (plucky) | 25.0+dfsg-1ubuntu0.1 | [python3-pip 25.0+dfsg-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-python3-pip-25.0-dfsg-1ubuntu0.1.md) | Jan 16, 2026 | | Linux | python3-pip amzn 2023 | 21.3.1-2.amzn2023.0.13 | [ALAS2023-2025-1095](https://patchblox.com/security/data/fix/linux/alas2023-2025-1095.md) | Jul 21, 2025 | | Linux | python3-pip-wheel amzn 2023 | 21.3.1-2.amzn2023.0.13 | [ALAS2023-2025-1095](https://patchblox.com/security/data/fix/linux/alas2023-2025-1095.md) | Jul 21, 2025 | | Linux | python3-pip-whl Ubuntu 22.04.1 LTS (jammy) | 22.0.2+dfsg-1ubuntu0.6 | [python3-pip-whl 22.0.2+dfsg-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-pip-whl-22.0.2-dfsg-1ubuntu0.6.md) | Jun 18, 2025 | | Linux | python3-pip-whl Ubuntu 24.04.5 LTS (noble) | 24.0+dfsg-1ubuntu1.2 | [python3-pip-whl 24.0+dfsg-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-python3-pip-whl-24.0-dfsg-1ubuntu1.2.md) | Jun 18, 2025 | | Linux | python3-pip-whl Ubuntu 24.10 (oracular) | 24.2+dfsg-1ubuntu0.2 | [python3-pip-whl 24.2+dfsg-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-python3-pip-whl-24.2-dfsg-1ubuntu0.2.md) | Jan 16, 2026 | | Linux | python3-pip-whl Ubuntu 25.04 (plucky) | 25.0+dfsg-1ubuntu0.1 | [python3-pip-whl 25.0+dfsg-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-python3-pip-whl-25.0-dfsg-1ubuntu0.1.md) | Jan 16, 2026 | | Linux | python3-urllib3 Ubuntu 18.04.6 LTS (bionic) | 1.22-1ubuntu0.18.04.2+esm3 | [python3-urllib3 1.22-1ubuntu0.18.04.2+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-urllib3-1.22-1ubuntu0.18.04.2-esm3.md) | Jun 18, 2025 | | Linux | python3-urllib3 Ubuntu 20.04 LTS (focal) | 1.25.8-2ubuntu0.4+esm1 | [python3-urllib3 1.25.8-2ubuntu0.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-urllib3-1.25.8-2ubuntu0.4-esm1.md) | Jun 18, 2025 | | Linux | python3-urllib3 Ubuntu 22.04.1 LTS (jammy) | 1.26.5-1~exp1ubuntu0.3 | [python3-urllib3 1.26.5-1~exp1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-urllib3-1.26.5-1-exp1ubuntu0.3.md) | Jun 18, 2025 | | Linux | python3-urllib3 Ubuntu 24.04.5 LTS (noble) | 2.0.7-1ubuntu0.2 | [python3-urllib3 2.0.7-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-python3-urllib3-2.0.7-1ubuntu0.2.md) | Jun 18, 2025 | | Linux | python3-urllib3 Ubuntu 24.10 (oracular) | 2.0.7-2ubuntu0.2 | [python3-urllib3 2.0.7-2ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-python3-urllib3-2.0.7-2ubuntu0.2.md) | Jan 16, 2026 | | Linux | python3-urllib3 Ubuntu 25.04 (plucky) | 2.3.0-2ubuntu0.1 | [python3-urllib3 2.3.0-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-python3-urllib3-2.3.0-2ubuntu0.1.md) | Jan 16, 2026 | | Linux | python3-urllib3 amzn 2023 | 1.25.10-5.amzn2023.0.5 | [ALAS2023-2025-1059](https://patchblox.com/security/data/fix/linux/alas2023-2025-1059.md) | Jul 3, 2025 | | Linux | python3.11-pip amzn 2023 | 22.3.1-2.amzn2023.0.7 | [ALAS2023-2025-1097](https://patchblox.com/security/data/fix/linux/alas2023-2025-1097.md) | Jul 21, 2025 | | Linux | python3.11-pip-wheel amzn 2023 | 22.3.1-2.amzn2023.0.7 | [ALAS2023-2025-1097](https://patchblox.com/security/data/fix/linux/alas2023-2025-1097.md) | Jul 21, 2025 | | Linux | python3.12-pip amzn 2023 | 23.2.1-4.amzn2023.0.5 | [ALAS2023-2025-1096](https://patchblox.com/security/data/fix/linux/alas2023-2025-1096.md) | Jul 21, 2025 | | Linux | python3.12-pip-wheel amzn 2023 | 23.2.1-4.amzn2023.0.5 | [ALAS2023-2025-1096](https://patchblox.com/security/data/fix/linux/alas2023-2025-1096.md) | Jul 21, 2025 | --- Data as of 2026-11-09T01:18:40Z UTC. 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