CVE-2026-46448
HIGH
8.5
CVSS Score
Published: June 16, 2026 at 12:00 AM UTC
Updated: October 25, 2026 at 11:10 PM UTC
1 product affected across 1 vendorNova
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Severity
HIGH8.5
Exploit prediction
EPSS 0.3%
SSVC
PoC
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 31.3.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 32.2.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 33.0.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
ExploitIssue TrackingThird Party Advisory
Source: cverecord
https://bugs.launchpad.net/nova/+bug/2151252Mailing ListThird Party Advisory
Source: cverecord
https://www.openwall.com/lists/oss-security/2026/06/16/5Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2026/06/16/5SSVC — Action Prioritization
SSVCPoCNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-669
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