CVE-2026-51773

An issue in the VMware datastore driver of OpenStack glance_store. When an authenticated attacker...

8.1 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.32%Unchanged since Sep 26, 2026

What each source reports

CVE List Score used 8.1

Record: CVE-2026-51773
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-918
Updated: 2026-11-02

EUVDEUVD-2026-87084 8.1

Record: EUVD-2026-87084
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-p93m-62q2-q66v 8.1

An issue in the VMware datastore driver of OpenStack glance_store. When an authenticated attacker...

Record: GHSA-p93m-62q2-q66v
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-918
Updated: 2026-11-02

NVD 8.1

Record: CVE-2026-51773
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-918
Updated: 2026-11-02

OSVDEBIAN-CVE-2026-51773 8.1

Record: DEBIAN-CVE-2026-51773
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2026-51773 8.1

Record: UBUNTU-CVE-2026-51773
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`python-glance-store` Debian:12	All versions, plus listed versions 4.1.0-44.3.0-14.3.0-24.3.1-34.3.1-4 Show 26 moreShow less 4.6.0-14.6.1-14.6.1-24.6.1-34.7.0-14.7.0-24.7.0-34.7.0-44.8.1-14.8.1-24.8.1-34.8.2-14.9.1-14.9.1-25.2.0-15.2.0-25.2.0-35.2.0-45.4.0-15.4.0-25.4.0-35.4.0-45.6.0-15.7.0-15.7.0-25.7.0-3	None known
`python-glance-store` Debian:13	All versions, plus listed versions 4.9.1-25.2.0-15.2.0-25.2.0-35.2.0-4 Show 8 moreShow less 5.4.0-15.4.0-25.4.0-35.4.0-45.6.0-15.7.0-15.7.0-25.7.0-3	None known
`python-glance-store` Debian:14	before 5.7.0-3, plus listed versions 4.9.1-25.2.0-15.2.0-25.2.0-35.2.0-4 Show 7 moreShow less 5.4.0-15.4.0-25.4.0-35.4.0-45.6.0-15.7.0-15.7.0-2	5.7.0-3
`glance` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 2:11.0.0-0ubuntu12:12.0.0~b1-0ubuntu12:12.0.0~b2-0ubuntu12:12.0.0~b3-0ubuntu12:12.0.0~rc1-0ubuntu12:12.0.0-0ubuntu12:12.0.0-0ubuntu22:12.0.0-0ubuntu2+esm1	None known
`glance` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 2:15.0.0-0ubuntu12:16.0.0~b2-0ubuntu22:16.0.0~rc1-0ubuntu12:16.0.0~rc2-0ubuntu12:16.0.0~rc3-0ubuntu12:16.0.0-0ubuntu12:16.0.1-0ubuntu1.12:16.0.1-0ubuntu1.1+esm2	None known
`glance` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 2:19.0.0-0ubuntu12:20.0.0~b1~git2019121610.0c6dd98d-0ubuntu12:20.0.0~b2~git2020020509.8649fdc2-0ubuntu12:20.0.0~b3~git2020032414.30ece7aa-0ubuntu22:20.0.0~b3~git2020041012.d5a0ce18-0ubuntu1 Show 7 moreShow less 2:20.0.0-0ubuntu0.20.04.12:20.0.1-0ubuntu12:20.1.0-0ubuntu12:20.2.0-0ubuntu12:20.2.0-0ubuntu1.12:20.2.0-0ubuntu1.22:20.2.0-0ubuntu1.2+esm2	None known
`glance` Ubuntu:22.04:LTS	All versions, plus listed versions 2:23.0.0-0ubuntu12:23.0.0+git2021120811.4ee7799aa-0ubuntu12:23.0.0+git2022011216.502fa0ffc-0ubuntu12:24.0.0~rc1+git2022030311.d4119be05-0ubuntu12:24.0.0-0ubuntu1 Show 6 moreShow less 2:24.1.0-0ubuntu12:24.1.0-0ubuntu1.12:24.2.0-0ubuntu12:24.2.1-0ubuntu12:24.2.1-0ubuntu1.22:24.2.1-0ubuntu1.4	None known
`glance` Ubuntu:24.04:LTS	All versions, plus listed versions 2:27.0.0-0ubuntu12:28.0.0~b2+git2024011916.f429b53e-0ubuntu12:28.0.0~rc1-0ubuntu12:28.0.1-0ubuntu12:28.0.1-0ubuntu1.22:28.1.0-0ubuntu12:28.1.0-0ubuntu1.2	None known
`glance` Ubuntu:26.10	All versions, plus listed versions 2:32.0.0-0ubuntu12:33.0.0~b2-0ubuntu12:33.0.0~rc1-0ubuntu12:33.0.0-0ubuntu1	None known
`glance` Ubuntu:26.04:LTS	All versions, plus listed versions 2:31.0.0-0ubuntu12:31.0.0+git2026012615.9f4165f77-0ubuntu12:32.0.0~rc1-0ubuntu12:32.0.0~rc2-0ubuntu12:32.0.0-0ubuntu1	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-51773 is a high vulnerability (CVSS 8.1) in glance, published September 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 25th percentile. Fixed in python-glance-store 5.7.0-3.