Connect your agent
AdvisoriesCriticalCheck your lockfilePluginHow it worksPricing Connect your agent

Advisory record · GHSA-mfg3-p6m3-gjgr

OpenStack Nova: Nova scheduler hint injection bypasses Placement resource claims and scheduling constraints

CVSS 5.4 MediumEPSS 0.0027 · 19th percentile

Published by the GitHub Advisory Database at 16 Jun 2026, 21:32 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
novaPyPI>=18.0.0, <=31.3.0 || >=32.0.0, <32.2.1 || >=33.0.0, <33.0.232.2.1, 33.0.2
Identifiers
GHSA-mfg3-p6m3-gjgr · CVE-2026-46448 · PYSEC-2026-2686
Weakness (CWE)
CWE-669
Tags
Published
16 Jun 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Nova versions 18.0.0 through 31.3.0, 32.0.0 before 32.2.1, and 33.0.0 before 33.0.2 are affected. An authenticated user can inject scheduler hints via the server create API to bypass resource claims and scheduling constraints, which can exhaust compute node resources. Upgrade to 32.2.1 or 33.0.2.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.4 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L CNA (mitre)
  • CISA KEV Not listed.
  • EPSS 0.0027, the 19th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:11 UTC First seen by agentprime
  2. 31 Oct 2026, 14:11 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.