PYSEC-2026-859

    Dashboard / Vulnerabilities / PYSEC-2026-859

    PYSEC-2026-859

    Published: 6 Jul 2026Last Modified: 7 Jul 2026

    Summary: OpenStack Compute Nova Improper Access Control

    Details: 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.

    References: https://nvd.nist.gov/vuln/detail/CVE-2013-4497, https://github.com/openstack/nova/commit/01de658210fd65171bfbf5450c93673b5ce0bd9e, https://github.com/openstack/nova/commit/5cced7a6dd32d231c606e25dbf762d199bf9cca7, https://github.com/openstack/nova/commit/ba0d007fb78bd1182c3c0b808dbd7ccc84640e80, https://github.com/openstack/nova/commit/df2ea2e3acdede21b40d47b7adbeac04213d031b, https://bugs.launchpad.net/nova/+bug/1073306, https://bugs.launchpad.net/nova/+bug/1202266, https://github.com/openstack/nova, http://www.openwall.com/lists/oss-security/2013/11/03/2, http://www.openwall.com/lists/oss-security/2013/11/03/3, https://pypi.org/project/nova, https://github.com/advisories/GHSA-27q4-38qf-m25h

    Affected packages

    Package

    Name: nova

    Purl: pkg:pypi/nova

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -12.0.0a0

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    PYSEC-2026-859 | CVE-DB