Is CVE-2026-109599 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-109599 being exploited in the wild.

How severe is CVE-2026-109599?

Medium severity, with a CVSS score of 4.3, published 12 October 2026.

Which products and versions are affected?

Frappe before 15.113.3; 16.x before 16.25.0.

Is there a fix for CVE-2026-109599?

Yes: fixed in 15.113.3, 16.25.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-109599 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-109599?

Check whether you run Frappe 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-2026-109599: Frappe missing authorization in record modification

CVE-2026-109599 · Severity: medium · CVSS 4.3 · Published 2026-10-12

Frappe is a web application framework used to build business applications. Certain API endpoints in affected versions fail to check user permissions properly, allowing authenticated users to modify records they should not have access to. An attacker with any valid account could exploit this to alter business-critical data beyond their assigned role's permissions.

Technologies: Frappe. Vendors: Frappe.

Quick answers

Is CVE-2026-109599 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-109599 being exploited in the wild.
How severe is CVE-2026-109599?: Medium severity, with a CVSS score of 4.3, published 12 October 2026.
Which products and versions are affected?: Frappe before 15.113.3; 16.x before 16.25.0.
Is there a fix for CVE-2026-109599?: Yes: fixed in 15.113.3, 16.25.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-109599 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-109599?: Check whether you run Frappe 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: 15.113.3, 16.25.0

Technical details

The vulnerability is a missing authorization check (CWE-862) in specific API endpoints that fails to validate whether an authenticated user has permission to modify records. It requires an authenticated user on the network; no special privileges or user interaction beyond sending a malicious API request are needed. An attacker can modify database records beyond their role's scope, impacting data integrity.

Affected products

Frappe Frappe before 15.113.3; 16.x before 16.25.0

Timeline

2026-08-11: disclosed
2026-10-12: advisory

References

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