# CVE-2026-109663: Frappe ERPNext SQL injection in endpoint validation

Source: https://junglewise.ai/threats/cve-2026-109663-frappe-erpnext-before-15-113-0-and-16-x-before-16-22-0-contains  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-12. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-109663 · Severity: medium · CVSS 6.5 · Published 2026-10-12

Frappe ERPNext is a business resource planning system used by organizations to manage operations and customer relationships. An authenticated attacker can exploit missing input validation in certain endpoints to inject malicious SQL commands and extract sensitive business data from the database without the ability to modify or delete it.

Technologies: [Frappe ERPNext](https://junglewise.ai/threats/technologies/erpnext). Vendors: [Frappe](https://junglewise.ai/threats/vendors/frappe).

## Quick answers

**Is CVE-2026-109663 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-109663 being exploited in the wild.

**How severe is CVE-2026-109663?** Medium severity, with a CVSS score of 6.5, published 12 October 2026.

**Which products and versions are affected?** Frappe ERPNext before 15.113.0 and 16.x before 16.22.0.

**Is there a fix for CVE-2026-109663?** Yes: fixed in ERPNext 15.113.0, 16.22.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-109663 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-109663?** Check whether you run Frappe ERPNext at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in ERPNext 15.113.0, 16.22.0

## Technical details

An SQL injection vulnerability (CWE-89) exists in ERPNext endpoints that fail to validate user input before constructing SQL queries. Attackers with valid authentication credentials can craft requests with specially formed SQL syntax to bypass query logic and read unauthorized data. The vulnerability requires authentication and network access with low complexity, resulting in high confidentiality impact but no integrity or availability impact.

## Affected products

- Frappe ERPNext before 15.113.0 and 16.x before 16.22.0

## Timeline

- 2026-08-13: disclosed
- 2026-10-12: advisory

## References

- [https://github.com/frappe/erpnext/security/advisories/GHSA-gwfr-5r8f-rwg4](https://github.com/frappe/erpnext/security/advisories/GHSA-gwfr-5r8f-rwg4)
- [https://www.vulncheck.com/advisories/frappe-erpnext-before-15.113.0-sql-injection-via-unvalidated-endpoint-parameters](https://www.vulncheck.com/advisories/frappe-erpnext-before-15.113.0-sql-injection-via-unvalidated-endpoint-parameters)

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- [Frappe ERPNext missing authorization in BOM methods](https://junglewise.ai/threats/cve-2026-124315-frappe-erpnext-before-15-121-4-and-16-x-before-16-36-0-contains)
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- [ERPNext authorization bypass in status modification endpoints](https://junglewise.ai/threats/cve-2026-108374-erpnext-is-a-free-and-open-source-enterprise-resource-planning)