CVE-2026-110775 Nexent through 2.7.0 Cross-Tenant Knowledge-Base File Read via check_file_access
Authenticated users can bypass tenant isolation to read other tenants' knowledge-base files in Nexent deployments.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110775?
CVE-2026-110775 is a high-severity missing authorization vulnerability in ModelEngine-Group nexent, published on 14 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-639
Which versions are affected by CVE-2026-110775?
How do I fix CVE-2026-110775?
No fix has been published for CVE-2026-110775 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-110775 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110775 exists.
Sources
Also known as GHSA-7qhg-85q3-m2xj.