Is CVE-2026-109661 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-109661 being exploited in the wild.

How severe is CVE-2026-109661?

Medium severity, with a CVSS score of 6.5, published 12 October 2026.

Which products and versions are affected?

Frappe ERPNext before 15.116.0 and 16.x before 16.27.0.

Is there a fix for CVE-2026-109661?

Yes: fixed in ERPNext 15.116.0, 16.27.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-109661 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-109661?

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.

CVE-2026-109661: Frappe ERPNext missing authorization in financial endpoints

CVE-2026-109661 · Severity: medium · CVSS 6.5 · Published 2026-10-12

Frappe ERPNext is an open-source enterprise resource planning system that manages financial, inventory, and operational data for businesses. Certain API endpoints fail to verify user permissions, allowing authenticated employees with low-level access to read sensitive financial information they should not be able to access. An attacker could exploit this to steal confidential financial records, transaction histories, or pricing information.

Technologies: Frappe ERPNext. Vendors: Frappe.

Quick answers

Is CVE-2026-109661 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-109661 being exploited in the wild.
How severe is CVE-2026-109661?: Medium severity, with a CVSS score of 6.5, published 12 October 2026.
Which products and versions are affected?: Frappe ERPNext before 15.116.0 and 16.x before 16.27.0.
Is there a fix for CVE-2026-109661?: Yes: fixed in ERPNext 15.116.0, 16.27.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-109661 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-109661?: 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 15.116.0, 16.27.0

Technical details

This is a missing authorization vulnerability (CWE-862) in specific ERPNext endpoints that do not enforce role-based access controls. An authenticated attacker with low privileges can access these endpoints over the network without user interaction to read financial data outside their authorized scope. The vulnerability affects ERPNext versions before 15.116.0 and 16.x before 16.27.0; fixed versions are 15.116.0 and 16.27.0 respectively.

Affected products

Frappe ERPNext before 15.116.0 and 16.x before 16.27.0

Timeline

2026-10-12: disclosed
2026-08-13: advisory: GitHub Security Advisory published

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.