🛡️ CVE-2026-46448 on Ubuntu — nova

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Distribution advisory

This page covers CVE-2026-46448 as tracked by Ubuntu, for the package nova. The fix is available in version 3:33.0.0-0ubuntu3.1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality none, integrity low, availability high.

Affected software

UBUNTU-CVE-2026-46448 is recorded against 1 package.

  • nova (fixed in 3:33.0.0-0ubuntu3.1)

Timeline and source

Published on 16 June 2026 and last revised on 29 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Report)
www.cve.org (Report)
security.openstack.org (Report)
launchpad.net (Report)
ubuntu.com (Advisory)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-16
Updated 2026-08-12
Modified 2026-06-29
Fix URL N/A

Affected Packages

Software From version Fixed in
nova — 3:33.0.0-0ubuntu3.1

Similar Threats

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