VULNERABILITY INTELLIGENCE
CVE-2026-55707
EPSS probability0.43%
CISA KEVNot currently listed
Published2026-08-05
Last modified2026-10-24
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.
Weakness classification
- cve@mitre.org: CWE-863