CVE-2026-50266: Incorrect Authorization

In OpenStack Neutron before 28.0.1, a project manager can create or update a port on a shared network owned by another project and set deviceowner to a value that has "network:" at the beginning "network:dhcp" for example. The default port RBAC policies incorrectly included PROJECTMANAGER without...

Anti-Spoofing Controls Bypass

openstack-neutron is vulnerable to anti-spoofing controls bypass. Authenticated users using the ML2 plugin or the security groups AMQP API are able to set the deviceowner field to an arbitrary value starting with network: on networks they do not own. Setting the affected field before the security...