PYSEC-2026-851

    Dashboard / Vulnerabilities / PYSEC-2026-851

    PYSEC-2026-851

    Published: 6 Jul 2026Last Modified: 7 Jul 2026

    Summary: OpenStack Neutron Improper Authentication vulnerability

    Details: The l3-agent in OpenStack Neutron 2012.2 before 2013.2.3 does not check the tenant id when creating ports, which allows remote authenticated users to plug ports into the routers of arbitrary tenants via the device id in a port-create command.

    References: https://nvd.nist.gov/vuln/detail/CVE-2014-0056, https://access.redhat.com/errata/RHSA-2014:0516, https://access.redhat.com/security/cve/CVE-2014-0056, https://bugs.launchpad.net/neutron/+bug/1243327, https://bugzilla.redhat.com/show_bug.cgi?id=1063141, https://opendev.org/openstack/neutron, http://rhn.redhat.com/errata/RHSA-2014-0516.html, http://www.openwall.com/lists/oss-security/2014/03/27/5, http://www.ubuntu.com/usn/USN-2194-1, https://pypi.org/project/neutron, https://github.com/advisories/GHSA-72p9-6gc7-q93r

    Affected packages

    Package

    Name: neutron

    Purl: pkg:pypi/neutron

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 2012.2
    Fixed -2013.2.3

    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-2026-851 | CVE-DB