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
- Openstack Neutron — versions 14.0.0, 27.0.0, 28.0.0
Weakness classification (CWE)
References
- cve@mitre.org (issue-tracking)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (mailing-list, vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108