CVE-2026-51773
Received Received - Intake

VMware Datastore Driver Authentication Bypass in OpenStack glance_store

Publication date: 2026-09-25

Last updated on: 2026-09-25

Assigner: MITRE

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.

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Meta Information

Published
2026-09-25
Last Modified
2026-09-25
Generated
2026-09-25
AI Q&A
2026-09-25
EPSS Evaluated
N/A
NVD
CVE-2026-51773
EUVD
EUVD-2026-87084

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
vmware glance_store *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

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Executive Summary

This vulnerability exists in the VMware datastore driver of OpenStack glance_store. An authenticated attacker can exploit it by providing a specially crafted image location URI that points to an external server. The flaw occurs in the _retry_request function, which fails to validate the destination host before attaching sensitive authentication headers, potentially exposing them to unauthorized access.

Impact Analysis

An attacker could gain unauthorized access to sensitive authentication headers, leading to potential data breaches or unauthorized control over cloud resources. This may result in data theft, service disruption, or further exploitation of connected systems.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating confidentiality requirements in GDPR and HIPAA. Organizations may face compliance violations, legal penalties, and reputational damage due to potential data exposure.

Mitigation Strategies

Update the OpenStack glance_store component to the latest patched version to address the issue with the VMware datastore driver and URI validation.

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