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Vulnerability record · CVE-2026-46448 · published 16 June 2026

CVE-2026-46448: Openstack nova vulnerability

Openstack · Nova

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

8.5 CVSS 3.1 High EPSS 0.46% · top 62.9% CWE-669 · CWE-669
8.5CVSS 3.1 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
26 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugs.launchpad.net/nova/+bug/2151252 ExploitIssue TrackingThird Party Advisory
https://www.openwall.com/lists/oss-security/2026/06/16/5 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2026/06/16/5 Mailing ListThird Party Advisory
https://bugs.launchpad.net/nova/+bug/2151252 ExploitIssue TrackingThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-7214Openstack nova sensitive information in log file vulnerabilityAn issue was discovered in exception_wrapper.py in OpenStack Nova 13.x through 13.1.3, 14.x through 14.0.4, and 15.x through 15.0.1. Legacy notificat…EPSS 2.3%8.6CVE-2011-3147Openstack nova information exposure vulnerabilityVersions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesyst…EPSS 0.74%8.6CVE-2017-17051Openstack nova uncontrolled resource consumption vulnerabilityAn issue was discovered in the default FilterScheduler in OpenStack Nova 16.0.3. By repeatedly rebuilding an instance with new images, an authenticat…EPSS 2.0%8.3CVE-2020-17376Openstack nova xml external entity (xxe) vulnerabilityAn issue was discovered in Guest.migrate in virt/libvirt/guest.py in OpenStack Nova before 19.3.1, 20.x before 20.3.1, and 21.0.0. By performing a so…EPSS 1.7%7.5CVE-2017-18191Openstack nova vulnerabilityAn issue was discovered in OpenStack Nova 15.x through 15.1.0 and 16.x through 16.1.1. By detaching and reattaching an encrypted volume, an attacker …EPSS 3.7%7.5CVE-2015-5162Openstack cinder vulnerabilityThe image parser in OpenStack Cinder 7.0.2 and 8.0.0 through 8.1.1; Glance before 11.0.1 and 12.0.0; and Nova before 12.0.4 and 13.0.0 does not prope…EPSS 3.1%6.8CVE-2015-3280Openstack nova vulnerabilityOpenStack Compute (nova) before 2014.2.4 (juno) and 2015.1.x before 2015.1.2 (kilo) does not properly delete instances from compute nodes, which allo…EPSS 3.4%6.8CVE-2015-3241Openstack nova vulnerabilityOpenStack Compute (nova) 2015.1 through 2015.1.1, 2014.2.3, and earlier does not stop the migration process when the instance is deleted, which allow…EPSS 3.5%

Source: NIST National Vulnerability Database (record CVE-2026-46448), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.