{"id":"CVE-2026-111363","published":"2026-10-15T22:19:34.103","lastModified":"2026-10-16T15:17:14.540","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.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/dataelement/bisheng","tags":[]},{"url":"https://github.com/dataelement/bisheng/blob/v3.0.0-beta4/src/backend/bisheng/knowledge/api/endpoints/knowledge.py#L663-L670","tags":[]},{"url":"https://github.com/dataelement/bisheng/blob/v3.0.0-beta4/src/backend/bisheng/knowledge/domain/services/knowledge_service.py#L2523-L2533","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/bisheng-knowledge-file-bbox-cross-user-idor","tags":[]},{"url":"https://www.vulncheck.com/advisories/bisheng-through-3.0.0-beta4-idor-via-api-v1-knowledge-file-bbox","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/bisheng-knowledge-file-bbox-cross-user-idor","tags":[]}],"exploitRefs":[{"url":"https://github.com/dataelement/bisheng","tags":[]},{"url":"https://github.com/dataelement/bisheng/blob/v3.0.0-beta4/src/backend/bisheng/knowledge/api/endpoints/knowledge.py#L663-L670","tags":[]},{"url":"https://github.com/dataelement/bisheng/blob/v3.0.0-beta4/src/backend/bisheng/knowledge/domain/services/knowledge_service.py#L2523-L2533","tags":[]}],"hasPoc":true,"ai":null}