{"id":"CVE-2026-111363","revision":null,"records":[{"revision":"2dad81444f7d441696cdd87fd96ff87c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111363","aliases":[],"title":"BISHENG through 3.0.0-beta4 IDOR via /api/v1/knowledge/file_bbox","description":"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.","state":0,"publishedAt":"2026-10-15T21:43:47.748+00:00","modifiedAt":"2026-10-16T14:19:20.305+00:00","affected":[{"ecosystem":"Vendor product","name":"bisheng","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"dataelement\",\n                    \"product\": \"bisheng\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"3.0.0-beta4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/dataelement/bisheng\",\n                    \"repo\": \"https://github.com/dataelement/bisheng\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5,"severity":"MEDIUM"}],"references":["https://hackmd.io/@hieuPenguinnn/bisheng-knowledge-file-bbox-cross-user-idor","https://github.com/dataelement/bisheng/blob/v3.0.0-beta4/src/backend/bisheng/knowledge/api/endpoints/knowledge.py#L663-L670","https://github.com/dataelement/bisheng/blob/v3.0.0-beta4/src/backend/bisheng/knowledge/domain/services/knowledge_service.py#L2523-L2533","https://github.com/dataelement/bisheng","https://www.vulncheck.com/advisories/bisheng-through-3.0.0-beta4-idor-via-api-v1-knowledge-file-bbox"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111363","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111363","identifiers":["CVE-2026-111363"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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