Skip to content

GHSA-27q4-38qf-m25h CVE-2013-4497 PYSEC-2026-859

OpenStack Compute Nova Improper Access Control

Medium PyPI
Severity
Medium
The publisher's own rating, not a CVSS score
Exploit chance (EPSS)
1.82%
Chance of exploitation in the next 30 days. Higher than 78.79% of scored vulnerabilities.
Known exploited
No
Not in CISA's catalog
Weakness
—
Not classified
Fix
12.0.0a0
Upgrade nova to this version or later

Description

The XenAPI backend in OpenStack Compute (Nova) Folsom, Grizzly, and Havana before 2013.2 does not properly apply security groups (1) when resizing an image or (2) during live migration, which allows remote attackers to bypass intended restrictions.

Affected versions

PyPI

PackageVulnerableFixed in
nova
< 12.0.0a0
12.0.0a0

How to fix

Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.

nova PyPI → 12.0.0a0

pip
pip install --upgrade "nova>=12.0.0a0"
poetry
poetry add "nova>=12.0.0a0"
uv
uv add "nova>=12.0.0a0"

References

Timeline

  1. Published
  2. Last updated by the source
  3. Latest EPSS score
AdvisorySeverityWhy it's related
GHSA-mfg3-p6m3-gjgr
OpenStack Nova: Nova scheduler hint injection bypasses Placement resource claims and scheduling constraints
High Also affects nova
GHSA-m4f3-qp2w-gwh6
OpenStack Nova calls qemu-img without format restrictions for resize
High Also affects nova
GHSA-rm86-h44c-2r2m
OpenStack Nova vulnerable to unauthorized access to potentially sensitive data
Medium Also affects nova
GHSA-r4v4-w9pv-6fph
OpenStack Cinder, Glance, and Nova vulnerable to arbitrary file access
Medium Also affects nova
GHSA-7h75-hwxx-qpgc
OpenStack Cinder, glance, and Nova vulnerable to Path Traversal
Medium Also affects nova
GHSA-v725-c588-h936
OpenStack Nova Changing vnic_type breaks compute service restart
Low Also affects nova
GHSA-22jm-4hxw-35jf
OpenStack Nova can leak consoleauth token into log files
Low Also affects nova
GHSA-43cm-73px-5v4m
OpenStack Compute (Nova) Resource limit circumvention in Nova private flavors
Low Also affects nova
Is this in your code?

MergeHarbor checks every repository's dependencies against this database, ranks what matters by exploitability and reachability, routes it to the owning team and opens the fix pull request.

Check your repos with MergeHarbor