CVE-2026-46448 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-46448HIGH

OpenStack Nova — In OpenStack Nova before 33.0.2, the server create API does not strip certain hint data.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   L   N  C  N  L  H    8.5   .0027   19.6     —

AFFECTED
  Product  Versions  Fixed
  Nova     18.0.0 –  —

TIMELINE
  May 14  Reserved by mitre
  Jun 16  EXPLOIT PUBLISHED — CVE-2026-46448 (OpenStack Nova). Public exploit reference added.
  Jun 16  Published (CNA: mitre)

CWE-669 · CNA: mitre · CVSS v3.1 · 3 references · NVD status: Analyzed

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
May 14, 2026	Reserved	Reserved by mitre
June 16, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-46448 (OpenStack Nova). Public exploit reference added.
June 16, 2026	Published	Published (CNA: mitre)

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
OpenStack	Nova	—	18.0.0	—

Weaknesses

CWE-669

References (3)

http://www.openwall.com/lists/oss-security/2026/06/16/5 [Mailing List, Third Party Advisory]
https://bugs.launchpad.net/nova/+bug/2151252 [Exploit, Issue Tracking, Third Party Advisory]
https://www.openwall.com/lists/oss-security/2026/06/16/5 [Mailing List, Third Party Advisory]

Authoritative record: CVE-2026-46448 at cve.org

Vendors: openstack

Weaknesses: CWE-669

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-46448 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.