CVE-2026-109666 Frappe ERPNext before 15.110.0 Missing Authorization in Inventory Record Endpoints

High 7.1 Published Updated

Authenticated users can modify inventory data beyond their assigned role permissions due to missing authorization checks in ERPNext.

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-2026-109666?

CVE-2026-109666 is a high-severity missing authorization vulnerability in frappe erpnext, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Frappe ERPNext before 15.110.0 and 16.x before 16.21.0 contains a missing authorization vulnerability in certain endpoints that fail to enforce proper permission checks on inventory records. Authenticated users can send requests to these endpoints to modify inventory data beyond what their assigned role permits.

Weakness: CWE-862

Which versions are affected by CVE-2026-109666?

How do I fix CVE-2026-109666?

No fix has been published for CVE-2026-109666 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-2026-109666 being exploited?

There is no known exploitation of CVE-2026-109666 in the wild and no public exploit code.

Sources

Also known as GHSA-6rgf-xx2m-fjr2, GHSA-pvq6-r4wx-77pr.

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