{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "last_affected": "3.0.0-beta4"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "introduced": "0"
                  },
                  {
                    "last_affected": "3.0.0-beta4"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "4f7a019476b6c90078888519effa995141b4722b"
            }
          ],
          "repo": "https://github.com/dataelement/bisheng",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111363.json"
  },
  "details": "BISHENG through 3.0.0-beta4 contains an insecure direct object reference vulnerability that allows authenticated low-privileged users to read other users' parsed documents by supplying arbitrary file_id values. Attackers can enumerate sequential file ids against GET /api/v1/knowledge/file_bbox to retrieve extracted page text from other users' and tenants' knowledge bases.",
  "id": "CVE-2026-111363",
  "modified": "2026-10-24T02:30:49.987276984Z",
  "published": "2026-10-15T21:43:47.748Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111363.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackmd.io/@hieuPenguinnn/bisheng-knowledge-file-bbox-cross-user-idor"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111363"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/bisheng-through-3.0.0-beta4-idor-via-api-v1-knowledge-file-bbox"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/dataelement/bisheng"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/dataelement/bisheng/blob/v3.0.0-beta4/src/backend/bisheng/knowledge/api/endpoints/knowledge.py#L663-L670"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/dataelement/bisheng/blob/v3.0.0-beta4/src/backend/bisheng/knowledge/domain/services/knowledge_service.py#L2523-L2533"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "BISHENG through 3.0.0-beta4 IDOR via /api/v1/knowledge/file_bbox"
}