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TI-2026-75093 Aliases CVE-2026-111363

Insecure direct object reference in BISHENG exposes parsed documents

Priority MEDIUM 64CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

dataelement BISHENG through 3.0.0-beta4 has an insecure direct object reference (CWE-639) in the GET /api/v1/knowledge/file_bbox endpoint. An authenticated user with low privileges can supply arbitrary file_id values to read extracted page text from other users' and tenants' knowledge bases.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00303 23rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
dataelementbishengup to 3.0.0-beta4—No fix listedCNA
  • bisheng Vendordataelement Affected up to 3.0.0-beta4 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for BISHENG.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-16 Threatist record created from CVE-2026-111363
  2. 2026-10-16 CISA SSVC decision points changed

References

Advisory 1

Other 3

  • TI-2026-56750 BISHENG Unauthenticated Server-Side Request Forgery via Workflow Report Callback CVSS 4.0HIGH 8.8
  • TI-2026-56743 BISHENG Authenticated Arbitrary Python Code Execution via Workflow run_once CVSS 4.0HIGH 8.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences