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CVE PROGRAM SOURCE RECORD7.1 High

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

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

OpenStack Neutron

Default version status: unaffected

  • 14.0.0 to < 26.0.6affected
  • 27.0.0 to < 27.0.4affected
  • 28.0.0 to < 28.0.2affected

References