CVE-2026-111363
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/dataelement/bisheng
- 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://hackmd.io/@hieuPenguinnn/bisheng-knowledge-file-bbox-cross-user-idor
- https://www.vulncheck.com/advisories/bisheng-through-3.0.0-beta4-idor-via-api-v1-knowledge-file-bbox
CWEs
CWE-639
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.