Auth bypass in Openstack Neutron

CVE-2026-55707

In OpenStack Neutron before 28.0.2, the subnetpool onboarding API does not verify ownership of the target subnets. An authenticated user can onboard subnets from another project's shared network into their own subnetpool, mutating the vict…

Vulnerability class: Broken Access Control

Affected products

Weakness classification (CWE)

References