CVE-2026-109666

Deferred Deferred - Pending Action

Frappe ERPNext Missing Authorization in Inventory Endpoints

Publication date: 2026-10-12

Last updated on: 2026-10-12

Assigner: VulnCheck

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-10-12

Last Modified

2026-10-12

Generated

2026-10-13

AI Q&A

2026-10-13

EPSS Evaluated

N/A

NVD

CVE-2026-109666

Affected Vendors & Products

Vendor	Product	Version / Range
frappe	erpnext	0
frappe	erpnext	16.0.0-beta.1

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

Frappe ERPNext versions before 15.110.0 and 16.x before 16.21.0 have a missing authorization vulnerability. Authenticated users can exploit certain endpoints to modify inventory data beyond their assigned role permissions due to improper permission checks.

Impact Analysis

An attacker with valid credentials could manipulate inventory records, leading to unauthorized changes in stock levels, financial discrepancies, or supply chain disruptions. This could result in incorrect reporting, financial losses, or operational inefficiencies.

Compliance Impact

This vulnerability could lead to unauthorized data modifications, potentially violating integrity requirements in GDPR and HIPAA. Non-compliance may result in legal penalties, loss of certification, or reputational damage due to compromised data accuracy.

Mitigation Strategies

Update Frappe ERPNext to version 15.110.0 or later if using 15.x, or to 16.21.0 or later if using 16.x. Ensure proper permission checks are enforced on inventory-related endpoints to prevent unauthorized modifications.

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