VulnerabilityAnalyzed
CVE-2026-46448
In OpenStack Nova before 33.0.2, the server create API does not strip certain hint data.
HIGH 8.5EPSS 0.27%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 8.5 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
- EPSS
- 0.27% probability · 20th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-669
- Affected
- openstack/nova
- Source
- cve@mitre.org
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
- https://bugs.launchpad.net/nova/+bug/2151252Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.