[SECURITY] [DLA 4735-1] neutron security update

Debian LTS Advisory DLA-4735-1 [email protected] https://www.debian.org/lts/security/ Santiago Ruano Rincón August 12, 2026 https://wiki.debian.org/LTS Package : neutron Version : 2:21.0.0-7+deb12u1 CVE ID : CVE-2026-55707 Debian Bug : 1142937 1143170 Multiple vulnerabilities were...

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 victim's subnet state and altering L3 routing and address scop...