High 8.5Published Jun 16, 2026

CVE-2026-46448In OpenStack Nova before 33.0.2, the server create API does not strip certain hint data.

Updated under an hour ago (2026-10-19 11:10 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 8.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
Weakness (CWE): CWE-669
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

openstack nova openstack:nova	from 18.0.0 before 31.3.1; from 32.0.0 before 32.2.1; from 33.0.0 before 33.0.2	NVD

References

https://bugs.launchpad.net/nova/+bug/2151252exploit, issue-tracking, third-party-advisory
https://www.openwall.com/lists/oss-security/2026/06/16/5mailing-list, third-party-advisory
http://www.openwall.com/lists/oss-security/2026/06/16/5mailing-list, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.