OpenStack Ironic through before 37.0.1 allows creation or modification of nodes cross-project without authorization.
https://www.openwall.com/lists/oss-security/2026/07/08/4
https://security.openstack.org/ossa/OSSA-2026-026.html
https://lists.openstack.org/archives/list/[email protected]/thread/PAJKDWS23MKSSNX22JEVDA7RWN3BHJYC/