{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.11.0"
              },
              {
                "fixed": "2.11.16"
              },
              {
                "introduced": "2.12.0"
              },
              {
                "fixed": "2.12.12"
              },
              {
                "introduced": "2.13.0"
              },
              {
                "fixed": "2.13.8"
              },
              {
                "introduced": "2.14.0"
              },
              {
                "fixed": "2.14.2"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "4b8ab8c48d681f77065bf25e1fa502c652b94465"
            },
            {
              "fixed": "e6c19548eded02b0fbc4276d3363bd2bb09930ce"
            },
            {
              "introduced": "8815e66bf2e4b528493cf11222f1a63f86305a9f"
            },
            {
              "fixed": "3bc84195ee8855d7426718b4b87988fb6bc14fc0"
            },
            {
              "introduced": "f94ac947f75e312f1ab9217d21b2770b48b734c8"
            },
            {
              "fixed": "853a0e93a1ca67653b80ae9550df98344e4e21c5"
            },
            {
              "introduced": "19d8a9c03fde57ab691101dc90a17b92c55f09ad"
            },
            {
              "fixed": "1bb24fe965ab9a801cd28447cc97df28db58cbd9"
            }
          ],
          "repo": "https://github.com/rancher/rancher",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-v584-7w32-jwpq"
  ],
  "database_specific": {
    "cna_assigner": "suse",
    "cwe_ids": [
      "CWE-441",
      "CWE-497"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44945.json"
  },
  "details": "A privilege escalation vulnerability exists in Rancher's impersonation middleware (pkg/auth/requests/impersonate.go). An authenticated Rancher user with the default user\n global role can gain full administrative access to the Rancher control \nplane and transitively to all downstream clusters it manages.\n\nThis issue affects Rancher: from 2.11.0 before 2.11.16, from 2.12.0 before 2.12.12, from 2.13.0 before 2.13.8, and from 2.14.0 before 2.14.2.",
  "id": "CVE-2026-44945",
  "modified": "2026-08-12T03:51:41.130623042Z",
  "published": "2026-08-05T10:00:04.286Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44945.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/rancher/rancher/security/advisories/GHSA-v584-7w32-jwpq"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44945"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-44945"
    },
    {
      "type": "FIX",
      "url": "https://github.com/rancher/rancher/pull/55983"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rancher/rancher"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Cross-Cluster Impersonation Confused-Deputy Privilege Escalation"
}