CVE-2026-110775: Authorization Bypass Through User-Controlled Key in ModelEngine-Group nexent
Description
Nexent through 2.7.0 contains a missing authorization vulnerability in check_file_access that allows authenticated users to read other tenants' knowledge-base files by skipping tenant comparison for knowledge_base/ reads. Attackers in multi-tenant deployments can list objects via GET /file/storage for presigned URLs or use GET /file/download/{object_name} to download other tenants' source documents.
CVSS v4.0
Score 7.1high
Affected software
ModelEngine-Group
nexent
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Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-10-14T17:27:38.036Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6acfd2312cdf04f656a33db8
Added to database: 10/14/2026, 19:04:17 UTC
Last updated: 10/14/2026, 19:04:17 UTC
Views: 1
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