Description
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.
CVSS 7.1EPSS 0.48700000000000004%Risk 0.74
View source- Published
- 2026-08-05 06:16:37
- Last modified
- 2026-08-06 13:18:20
- Vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X