{
  "cveId": "CVE-2026-43000",
  "url": "https://patchblox.com/security/cve/CVE-2026-43000",
  "summary": "CVE-2026-43000 is fixed in 3 products on 1 platform, first by keystone 2:29.0.0-0ubuntu1.2, released May 28, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "keystone: An issue was discovered in OpenStack Keystone before 29.0.2",
  "description": "An issue was discovered in OpenStack Keystone before 29.0.2. When combined with an application credential impersonation vulnerability, an attacker with the member role on a project can escalate to admin by chaining unrestricted application credentials with Keystone trusts. The impersonated token carries the victim\u0027s identity, which passes the trustor validation check. Keystone then validates the delegated roles against the victim\u0027s actual role assignments in the database, not the roles on the requesting token. This allows the attacker to create a trust delegating the victim\u0027s admin role to themselves. The trust persists independently, and additional trusts and application credentials can be created to maintain access. All actions are logged under the victim\u0027s identity.",
  "published": "2026-05-28T12:16:00Z",
  "severity": "high",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00328,
  "epssPercentile": 0.26027,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "keystone",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2:22.0.2-0\u002Bdeb12u3",
      "fix": "DEBIAN-CVE-2026-43000",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-43000",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "keystone",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2:27.0.0-3\u002Bdeb13u4",
      "fix": "DEBIAN-CVE-2026-43000",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-43000",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "keystone",
      "release": "Debian 14",
      "fixedVersion": "2:29.0.1-2",
      "fix": "DEBIAN-CVE-2026-43000",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-43000",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "keystone",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:21.0.1-0ubuntu2.4",
      "fix": "keystone 2:21.0.1-0ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-keystone-2-21.0.1-0ubuntu2.4",
      "released": "2026-06-24T14:07:38Z"
    },
    {
      "platform": "linux",
      "product": "keystone",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2:25.0.0-0ubuntu1.4",
      "fix": "keystone 2:25.0.0-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-keystone-2-25.0.0-0ubuntu1.4",
      "released": "2026-06-24T14:07:41Z"
    },
    {
      "platform": "linux",
      "product": "keystone",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "2:28.0.0-0ubuntu1.3",
      "fix": "keystone 2:28.0.0-0ubuntu1.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-keystone-2-28.0.0-0ubuntu1.3",
      "released": "2026-06-24T14:07:44Z"
    },
    {
      "platform": "linux",
      "product": "keystone",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2:29.0.0-0ubuntu1.2",
      "fix": "keystone 2:29.0.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-keystone-2-29.0.0-0ubuntu1.2",
      "released": "2026-05-28T12:16:00Z"
    },
    {
      "platform": "linux",
      "product": "keystone-common",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:21.0.1-0ubuntu2.4",
      "fix": "keystone-common 2:21.0.1-0ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-keystone-common-2-21.0.1-0ubuntu2.4",
      "released": "2026-06-24T14:07:38Z"
    },
    {
      "platform": "linux",
      "product": "keystone-common",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2:25.0.0-0ubuntu1.4",
      "fix": "keystone-common 2:25.0.0-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-keystone-common-2-25.0.0-0ubuntu1.4",
      "released": "2026-06-24T14:07:41Z"
    },
    {
      "platform": "linux",
      "product": "keystone-common",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "2:28.0.0-0ubuntu1.3",
      "fix": "keystone-common 2:28.0.0-0ubuntu1.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-keystone-common-2-28.0.0-0ubuntu1.3",
      "released": "2026-06-24T14:07:44Z"
    },
    {
      "platform": "linux",
      "product": "keystone-common",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2:29.0.0-0ubuntu1.2",
      "fix": "keystone-common 2:29.0.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-keystone-common-2-29.0.0-0ubuntu1.2",
      "released": "2026-05-28T12:16:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-keystone",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:21.0.1-0ubuntu2.4",
      "fix": "python3-keystone 2:21.0.1-0ubuntu2.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-python3-keystone-2-21.0.1-0ubuntu2.4",
      "released": "2026-06-24T14:07:38Z"
    },
    {
      "platform": "linux",
      "product": "python3-keystone",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2:25.0.0-0ubuntu1.4",
      "fix": "python3-keystone 2:25.0.0-0ubuntu1.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-python3-keystone-2-25.0.0-0ubuntu1.4",
      "released": "2026-06-24T14:07:41Z"
    },
    {
      "platform": "linux",
      "product": "python3-keystone",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "2:28.0.0-0ubuntu1.3",
      "fix": "python3-keystone 2:28.0.0-0ubuntu1.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-python3-keystone-2-28.0.0-0ubuntu1.3",
      "released": "2026-06-24T14:07:44Z"
    },
    {
      "platform": "linux",
      "product": "python3-keystone",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2:29.0.0-0ubuntu1.2",
      "fix": "python3-keystone 2:29.0.0-0ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-python3-keystone-2-29.0.0-0ubuntu1.2",
      "released": "2026-05-28T12:16:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}