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CVE-2026-46448

In OpenStack Nova before 33.0.2, the server create API does not strip certain hint data. The resulting instance has no Placement allocation.

Medium5.4EPSS 0.27%
Published
Updated
Reserved
Assigned by
mitre

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.

Scores

CVSS scores of CVE-2026-46448, by who scored it
Scored byCVSSScoreVector
mitreCNA (assigner)3.1Medium5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
NVDNVD · Analyzed3.1High8.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
EPSS (exploitation in 30 days)
0.27% · top 80% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: poc · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.

Weakness

Affected products

  • OpenStack · Nova

    • affected 18.0.0 – < 31.3.1
    • affected 32.0.0 – < 32.2.1
    • affected 33.0.0 – < 33.0.2

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated .