{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "2.0.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "f3e96fa41325ea978de6bb3eabbd8d0742f33d0c"
            }
          ],
          "repo": "https://github.com/netease-youdao/qanything",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-306"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85671.json"
  },
  "details": "QAnything 2.0.0 contains an authentication bypass vulnerability in the /api/local_doc_qa/get_file_base64 and /api/local_doc_qa/get_doc endpoints that allows unauthenticated attackers to access any uploaded file or document. Attackers can enumerate file identifiers through unauthenticated endpoints and retrieve base64-encoded files or parsed document chunks without ownership verification to disclose cross-tenant knowledge base content.",
  "id": "CVE-2026-85671",
  "modified": "2026-09-06T03:31:01.873562175Z",
  "published": "2026-09-04T14:32:26.116Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85671.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85671"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/qanything-2.0.0-unauthenticated-cross-user-file-disclosure"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/netease-youdao/QAnything/issues/670"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/netease-youdao/QAnything"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/netease-youdao/QAnything/blob/v2.0.0/qanything_kernel/qanything_server/handler.py"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "QAnything 2.0.0 Unauthenticated Cross-User File Disclosure"
}