In OpenStack Nova before 33.0.2, the server create API does not strip certain hint data. The resulting instance has no Placement allocation.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-mfg3-p6m3-gjgr OpenStack Nova: Nova scheduler hint injection bypasses Placement resource claims and scheduling constraints
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 18 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
Title OpenStack Nova Create Instance API Leaves Unstripped Hint Data, Causing Missing Placement Allocation openstack-nova: OpenStack Nova: Resource allocation issue due to unstripped hint data in server creation API
Weaknesses CWE-1173
References
Metrics threat_severity

None

threat_severity

Moderate


Thu, 18 Jun 2026 04:45:00 +0000

Type Values Removed Values Added
Title OpenStack Nova Create Instance API Leaves Unstripped Hint Data, Causing Missing Placement Allocation

Wed, 17 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 16 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
References

Tue, 16 Jun 2026 19:30:00 +0000

Type Values Removed Values Added
Description In OpenStack Nova before 33.0.2, the server create API does not strip certain hint data. The resulting instance has no Placement allocation.
First Time appeared Openstack
Openstack nova
Weaknesses CWE-669
CPEs cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
Vendors & Products Openstack
Openstack nova
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-06-17T12:17:30.606Z

Reserved: 2026-05-14T00:00:00.000Z

Link: CVE-2026-46448

cve-icon Vulnrichment

Updated: 2026-06-16T19:16:38.300Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-16T20:16:41.697

Modified: 2026-06-16T20:42:25.013

Link: CVE-2026-46448

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-06-16T00:00:00Z

Links: CVE-2026-46448 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-06-17T23:00:14Z

Weaknesses