---
title: "CVE-2026-51773: OpenStack glance_store - Information Disclosure"
description: "OpenStack glance_store VMware datastore driver contains an information disclosure vulnerability caused by failure to validate destination host in _retry_request, letting authenticated attackers leak sensitive authentication headers via crafted image location URI."
url: https://panop.io/threat-heartbeat/CVE-2026-51773/
---

# CVE-2026-51773 OpenStack glance\_store - Information Disclosure

OpenStack glance\_store VMware datastore driver contains an information disclosure vulnerability caused by failure to validate destination host in \_retry\_request, letting authenticated attackers leak sensitive authentication headers via crafted image location URI.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.32% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-51773)

## Details

Type

Information Disclosure

Impact

Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Published

25 September 2026

Updated

15 October 2026

Weakness

[CWE-918](https://cwe.mitre.org/data/definitions/918.html)

## Vendor fix

Update to the latest version of OpenStack glance\_store.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-51773](https://nvd.nist.gov/vuln/detail/CVE-2026-51773)
- [https://github.com/sadandbset/CVE-2026-51772-CVE-2026-51773](https://github.com/sadandbset/CVE-2026-51772-CVE-2026-51773)
- [https://github.com/sadandbset/CVE-2026-51772-CVE-2026-51773/blob/main/CVE-2026-51773.md](https://github.com/sadandbset/CVE-2026-51772-CVE-2026-51773/blob/main/CVE-2026-51773.md)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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