CVE-2026-46448

Severity CVSS v4.0:

Pending analysis

Type:

CWE-669 Incorrect Resource Transfer Between Spheres

Publication date:

16/06/2026

Last modified:

16/06/2026

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L CVSS v3.1 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): Low

Base Score 3.x

5.40

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://bugs.launchpad.net/nova/+bug/2151252
https://www.openwall.com/lists/oss-security/2026/06/16/5
http://www.openwall.com/lists/oss-security/2026/06/16/5