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.
No summary for this CVE yet.
Weaknesses
Affected Products
OpenStack
oss-project·USaka openstack foundation
Exploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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MITRE ATT&CK
2 techniques Initial Access
References
https://launchpad.net/bugs/2152113
launchpad.net
https://security.openstack.org/ossa/OSSA-2026-032.html
security.openstack.org
https://www.openwall.com/lists/oss-security/2026/07/29/5
openwall.com
and 2 more references View all →
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