{"id":"CVE-2026-111363","title":"BISHENG through 3.0.0-beta4 IDOR via /api/v1/knowledge/file_bbox","summary":"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 se…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-639"],"vendor":"dataelement","product":"bisheng","affected":["bisheng <= 3.0.0-beta4"],"published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T21:43:47.748Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111363","references":[{"url":"https://hackmd.io/@hieuPenguinnn/bisheng-knowledge-file-bbox-cross-user-idor"},{"url":"https://github.com/dataelement/bisheng/blob/v3.0.0-beta4/src/backend/bisheng/knowledge/api/endpoints/knowledge.py#L663-L670"},{"url":"https://github.com/dataelement/bisheng/blob/v3.0.0-beta4/src/backend/bisheng/knowledge/domain/services/knowledge_service.py#L2523-L2533"},{"url":"https://github.com/dataelement/bisheng"},{"url":"https://www.vulncheck.com/advisories/bisheng-through-3.0.0-beta4-idor-via-api-v1-knowledge-file-bbox","label":"VulnCheck Advisory: BISHENG through 3.0.0-beta4 IDOR via /api/v1/knowledge/file_bbox"}],"tags":["cve.org"],"ingestedAt":"2026-10-15T22:48:25.457Z","slug":"CVE-2026-111363","body":"## Overview\n\nBISHENG 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.\n\n## Affected\n\n- `bisheng <= 3.0.0-beta4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}