CVE-2026-111363 | BDVDB-2026-390192 Detail
dataelementbisheng
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.
Weaknesses#
- CWE-639 Authorization Bypass Through User-Controlled Key
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
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.