{"id":"CVE-2026-111363","aliases":["EUVD-2026-102503","GHSA-37gw-p3c6-34pr"],"status":"published","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.","severity":{"version":"4.0","score":7.1,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00303,"percentile":0.23331,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-10-15T21:43:47Z","modified":"2026-11-08T02:47:45Z","products":[{"vendor":"dataelement","product":"bisheng"}],"references":[{"url":"https://hackmd.io/@hieuPenguinnn/bisheng-knowledge-file-bbox-cross-user-idor","tags":["third-party-advisory","exploit","advisory"]},{"url":"https://github.com/dataelement/bisheng/blob/v3.0.0-beta4/src/backend/bisheng/knowledge/api/endpoints/knowledge.py#L663-L670","tags":["technical-description","article"]},{"url":"https://github.com/dataelement/bisheng/blob/v3.0.0-beta4/src/backend/bisheng/knowledge/domain/services/knowledge_service.py#L2523-L2533","tags":["technical-description","article"]},{"url":"https://github.com/dataelement/bisheng","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/bisheng-through-3.0.0-beta4-idor-via-api-v1-knowledge-file-bbox","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111363","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-37gw-p3c6-34pr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111363.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-111363","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.","status":"published","published":"2026-10-15T21:43:47.748Z","modified":"2026-10-16T14:19:20.305Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:20:15.34316Z"}],"euvd":[{"id":"EUVD-2026-102503","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.","status":"published","published":"2026-10-15T21:43:47Z","modified":"2026-10-16T14:19:20Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high"}],"updated_at":"2026-11-02T17:00:06.126239Z"}],"ghsa":[{"id":"GHSA-37gw-p3c6-34pr","title":"BISHENG through 3.0.0-beta4 contains an insecure direct object reference vulnerability that...","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.","status":"published","published":"2026-10-16T00:31:58Z","modified":"2026-10-16T00:32:02Z","cvss":[{"version":"4.0","score":7.1,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:13:49.895192Z"}],"nvd":[{"id":"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.","status":"published","published":"2026-10-15T22:19:34.103Z","modified":"2026-10-16T15:17:14.54Z","cvss":[{"version":"4.0","score":7.1,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:59.751798Z"}],"osv":[{"id":"CVE-2026-111363","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.","status":"published","published":"2026-10-15T21:43:47.748Z","modified":"2026-11-08T02:47:45.259142604Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high"}],"cwes":["CWE-639"],"updated_at":"2026-11-08T03:29:44.777002Z"}]}}