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PYSEC-2026-853

OpenStack Neutron Race condition vulnerability

Quick fix

PYSEC-2026-853 — neutron: upgrade to the fixed version with the command below.

pip install --upgrade 'neutron>=7.0.0'

Details

Race condition in OpenStack Neutron before 2014.2.4 and 2015.1 before 2015.1.2, when using the ML2 plugin or the security groups AMQP API, allows remote authenticated users to bypass IP anti-spoofing controls by changing the device owner of a port to start with network: before the security group rules are applied.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/neutron
Introduced in: 0Fixed in: 7.0.0
Fixpip install --upgrade 'neutron>=7.0.0'

References