What’s Vulnerable › Vulnerabilities

CVE-2026-46448

• Severity: high (CVSS 8.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-06-16 · updated 2026-10-25
• Weakness: CWE-669

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 products

• OpenStack Nova: from 18.0.0 before 31.3.1; from 32.0.0 before 32.2.1; from 33.0.0 before 33.0.2 — fixed in 31.3.1, 32.2.1, 33.0.2

How to fix

Upgrade to a fixed version: OpenStack Nova 31.3.1, 32.2.1, 33.0.2. Check the vendor advisory for mitigations.

References

• 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
• https://bugs.launchpad.net/nova/+bug/2151252

Get alerted when CVE-2026-46448 or the next vulnerability affects your stack