{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1b2da68b2800f94674dd96f4a986cde30ac88280"
            },
            {
              "last_affected": "1b2da68b2800f94674dd96f4a986cde30ac88280"
            }
          ],
          "repo": "https://github.com/retspen/webvirtcloud",
          "type": "GIT"
        }
      ],
      "versions": [
        "1b2da68b2800f94674dd96f4a986cde30ac88280"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92761.json"
  },
  "details": "WebVirtCloud fails to properly validate permission flags in UserInstance grants, allowing view-only users to perform privileged actions. Attackers with read-only grants can power off virtual machines, reset root passwords, install SSH keys, and manage ISO images by exploiting the get_instance gate that only checks grant existence.",
  "id": "CVE-2026-92761",
  "modified": "2026-10-08T02:30:53.365588708Z",
  "published": "2026-09-16T20:32:28.410Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92761.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-92761"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/webvirtcloud-missing-authorization-on-instance-control-actions"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/retspen/webvirtcloud/issues/682"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/retspen/webvirtcloud"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/retspen/webvirtcloud/blob/1b2da68b2800f94674dd96f4a986cde30ac88280/instances/views.py#L316-L330"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/retspen/webvirtcloud/blob/1b2da68b2800f94674dd96f4a986cde30ac88280/instances/views.py#L356-L363"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/retspen/webvirtcloud/blob/1b2da68b2800f94674dd96f4a986cde30ac88280/instances/views.py#L538-L546"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "WebVirtCloud Missing Authorization on Instance Control Actions"
}