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…
Published: 2026-08-05 · CVSS: 7.1 · CVSS 4.0
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 victim's subnet state and altering L3 routing and address scope behavior for victim routers.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7