# CVE-2026-51773: python-glance-store: An issue in the VMware datastore driver of OpenStack glance_store

CVE-2026-51773 is fixed in python-glance-store on 1 platform by DEBIAN-CVE-2026-51773 (version 5.7.0-3), released October 13, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-51773
- Priority: High
- CVSS: 8.1 (high)
- EPSS: 0.0032
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 25, 2026

## Description

An issue in the VMware datastore driver of OpenStack glance_store. When an authenticated attacker provides a maliciously crafted image location URI pointing to an external server, the _retry_request function fails to validate the destination host before attaching sensitive authentication headers.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | python-glance-store Debian 14 | 5.7.0-3 | [DEBIAN-CVE-2026-51773](https://patchblox.com/security/data/fix/linux/debian-cve-2026-51773.md) | Oct 13, 2026 |

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Data as of 2026-11-08T19:12:23Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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