{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.28.0"
              },
              {
                "fixed": "0.42.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "4a0fbcf0599c8d81714500242eed24fcdce24c55"
            },
            {
              "fixed": "bdfd32bd69bb084959b5f4779310bff21d95bb62"
            }
          ],
          "repo": "https://github.com/docker/sbx-releases",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Docker",
    "cwe_ids": [
      "CWE-59"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77179.json"
  },
  "details": "On macOS, the virtio-fs host server used by Docker Sandboxes improperly follows symlinks when reopening an unlinked file from a stored path. A malicious guest can replace a parent directory with a symlink, escape the shared workspace, and read or modify arbitrary host files as the VMM user, potentially achieving host code execution.",
  "id": "CVE-2026-77179",
  "modified": "2026-09-18T03:30:32.735642957Z",
  "published": "2026-09-15T13:32:41.132Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://docs.docker.com/ai/sandboxes/"
    },
    {
      "type": "WEB",
      "url": "https://docs.docker.com/ai/sandboxes/security/isolation/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77179.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/docker/sbx-releases/releases/tag/v0.42.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77179"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Docker Sandboxes guest can write arbitrary macOS host files via a symlink in the virtio-fs stored-path fallback"
}