{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.9.64"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "ecf8c031d3c955508a0d3887acd61d970022db79"
            }
          ],
          "repo": "https://github.com/appflowy-io/appflowy-cloud",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85619.json"
  },
  "details": "AppFlowy-Cloud 0.9.64 fails to verify that requested collab objects belong to the workspace in authorization checks, allowing attackers to access documents and database rows across workspaces. Attackers can supply a victim's object ID with their own workspace ID to bypass access controls and read, modify, or delete cross-workspace data.",
  "id": "CVE-2026-85619",
  "modified": "2026-09-06T03:30:32.175656211Z",
  "published": "2026-09-04T14:32:11.220Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85619.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85619"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/appflowy-cloud-0.9.64-cross-workspace-collab-access-via-http-api"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/AppFlowy-IO/AppFlowy-Cloud/issues/1624"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/AppFlowy-IO/AppFlowy-Cloud"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/AppFlowy-IO/AppFlowy-Cloud/blob/0.9.64/libs/access-control/src/casbin/collab.rs"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "AppFlowy-Cloud 0.9.64 Cross-Workspace Collab Access via HTTP API"
}