CVE-2026-46448
OpenStack Nova Server Create API Information Leak
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.
INFO
Published Date :
June 16, 2026, 8:16 p.m.
Last Modified :
June 16, 2026, 8:42 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 8254265b-2729-46b6-b9e3-3dfca2d5bfca | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE |
Solution
- Update OpenStack Nova to version 33.0.2 or later.
- Verify instance allocation in Placement service.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-46448.
| URL | Resource |
|---|---|
| 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 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-46448 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-46448
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-46448 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-46448 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jun. 16, 2026
Action Type Old Value New Value 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. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L Added CWE CWE-669 Added Reference https://bugs.launchpad.net/nova/+bug/2151252 Added Reference https://www.openwall.com/lists/oss-security/2026/06/16/5 -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Jun. 16, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/06/16/5