{
  "cveId": "CVE-2026-55707",
  "url": "https://patchblox.com/security/cve/CVE-2026-55707",
  "summary": "CVE-2026-55707 is fixed in neutron on 1 platform, first by DEBIAN-CVE-2026-55707, released August 5, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "neutron: In OpenStack Neutron before 28.0.2, the subnetpool onboarding API does not verify ownership of the target subnets",
  "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\u0027s shared network into their own subnetpool, mutating the victim\u0027s subnet state and altering L3 routing and address scope behavior for victim routers.",
  "published": "2026-08-05T06:16:37Z",
  "severity": "",
  "epss": 0.00427,
  "epssPercentile": 0.37231,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "neutron",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2:21.0.0-7\u002Bdeb12u1",
      "fix": "DEBIAN-CVE-2026-55707",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-55707",
      "released": "2026-08-05T15:05:13Z"
    },
    {
      "platform": "linux",
      "product": "neutron",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2:26.0.3-0\u002Bdeb13u3",
      "fix": "DEBIAN-CVE-2026-55707",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-55707",
      "released": "2026-08-05T15:05:13Z"
    },
    {
      "platform": "linux",
      "product": "neutron",
      "release": "Debian 14",
      "fixedVersion": "2:28.0.1-2",
      "fix": "DEBIAN-CVE-2026-55707",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-55707",
      "released": "2026-08-05T15:05:13Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}