# CVE-2026-44889: WebOb: Location header normalization during redirect leads to open redirect

CVE-2026-44889 is fixed in 9 products on 1 platform, first by python-webob 1:1.7.3-2ubuntu0.1~esm2, released June 22, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-44889
- Priority: Routine
- CVSS: 6.1 (Moderate)
- EPSS: 0.0027
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 22, 2026
- Weakness: URL Redirection to Untrusted Site ('Open Redirect')
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44889

## Description

Location header normalization during redirect leads to open redirect (bsc#1268324).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | python-Markdown opensuse-leap 16.0 | 3.8.2-160000.3.1 | [OPENSUSE-SU-2026:21063-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21063-1.md) | Jun 26, 2026 |
| Linux | python-Markdown sles 16.0 | 3.8.2-160000.3.1 | [SUSE-SU-2026:22370-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22370-1.md) | Jun 26, 2026 |
| Linux | python-PyGithub opensuse-leap 16.0 | 2.6.1-160000.3.1 | [OPENSUSE-SU-2026:21063-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21063-1.md) | Jun 26, 2026 |
| Linux | python-PyGithub sles 16.0 | 2.6.1-160000.3.1 | [SUSE-SU-2026:22370-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22370-1.md) | Jun 26, 2026 |
| Linux | python-WebOb opensuse-leap 16.0 | 1.8.9-160000.3.1 | [OPENSUSE-SU-2026:21063-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21063-1.md) | Jun 26, 2026 |
| Linux | python-WebOb sles 15.7 | 1.7.4-150000.3.6.1 | [SUSE-SU-2026:2982-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2982-1.md) | Jul 14, 2026 |
| Linux | python-WebOb sles 16.0 | 1.8.9-160000.3.1 | [SUSE-SU-2026:22370-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22370-1.md) | Jun 26, 2026 |
| Linux | python-apache-libcloud opensuse-leap 16.0 | 3.8.0-160000.3.1 | [OPENSUSE-SU-2026:21063-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21063-1.md) | Jun 26, 2026 |
| Linux | python-apache-libcloud sles 16.0 | 3.8.0-160000.3.1 | [SUSE-SU-2026:22370-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22370-1.md) | Jun 26, 2026 |
| Linux | python-handy-archives opensuse-leap 16.0 | 0.2.0-160000.3.1 | [OPENSUSE-SU-2026:21063-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21063-1.md) | Jun 26, 2026 |
| Linux | python-handy-archives sles 16.0 | 0.2.0-160000.3.1 | [SUSE-SU-2026:22370-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22370-1.md) | Jun 26, 2026 |
| Linux | python-joblib opensuse-leap 16.0 | 1.5.2-160000.1.1 | [OPENSUSE-SU-2026:21063-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21063-1.md) | Jun 26, 2026 |
| Linux | python-soupsieve opensuse-leap 16.0 | 2.6-160000.3.1 | [OPENSUSE-SU-2026:21063-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21063-1.md) | Jun 26, 2026 |
| Linux | python-soupsieve sles 16.0 | 2.6-160000.3.1 | [SUSE-SU-2026:22370-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22370-1.md) | Jun 26, 2026 |
| Linux | python-webob Debian 13.5 (trixie) | 1:1.8.10-0+deb13u1 | [DEBIAN-CVE-2026-44889](https://patchblox.com/security/data/fix/linux/debian-cve-2026-44889.md) | Jul 6, 2026 |
| Linux | python-webob Debian 14 | 1:1.8.10-1 | [DEBIAN-CVE-2026-44889](https://patchblox.com/security/data/fix/linux/debian-cve-2026-44889.md) | Jul 6, 2026 |
| Linux | python-webob Ubuntu 18.04.6 LTS (bionic) | 1:1.7.3-2ubuntu0.1~esm2 | [python-webob 1:1.7.3-2ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-webob-1-1.7.3-2ubuntu0.1-esm2.md) | Jun 22, 2026 |
| Linux | python3-webob Ubuntu 18.04.6 LTS (bionic) | 1:1.7.3-2ubuntu0.1~esm2 | [python3-webob 1:1.7.3-2ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-webob-1-1.7.3-2ubuntu0.1-esm2.md) | Jun 22, 2026 |
| Linux | python3-webob Ubuntu 20.04 LTS (focal) | 1:1.8.5-2ubuntu0.1+esm1 | [python3-webob 1:1.8.5-2ubuntu0.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-webob-1-1.8.5-2ubuntu0.1-esm1.md) | Jun 22, 2026 |
| Linux | python3-webob Ubuntu 22.04.1 LTS (jammy) | 1:1.8.6-1.1ubuntu0.2 | [python3-webob 1:1.8.6-1.1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-webob-1-1.8.6-1.1ubuntu0.2.md) | Jun 22, 2026 |
| Linux | python3-webob Ubuntu 24.04.5 LTS (noble) | 1:1.8.7-1ubuntu0.1.24.04.2 | [python3-webob 1:1.8.7-1ubuntu0.1.24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-python3-webob-1-1.8.7-1ubuntu0.1.24.04.2.md) | Jun 22, 2026 |
| Linux | python3-webob Ubuntu 26.04.1 LTS (resolute) | 1:1.8.9-1ubuntu0.1 | [python3-webob 1:1.8.9-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-python3-webob-1-1.8.9-1ubuntu0.1.md) | Jun 22, 2026 |

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Data as of 2026-11-11T13:47:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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