CVE-2026-109599: Frappe before 15.113.3 Missing Authorization Allows Unauthorized Record Modification

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-12 · updated 2026-10-18
Weakness: CWE-862

Description

Frappe before 15.113.3 and 16.x before 16.25.0 contains a missing authorization vulnerability in which certain endpoints fail to enforce proper authorization checks. Authenticated users can send requests to these endpoints to modify records beyond what their assigned role permits.

Affected products

frappe: before 15.113.3; from 16.0.0-beta.1 before 16.25.0 — fixed in 15.113.3, 16.25.0

How to fix

Upgrade to a fixed version: frappe 15.113.3, 16.25.0. Check the vendor advisory for mitigations.

References

https://github.com/frappe/frappe/security/advisories/GHSA-22v9-hw3x-x59w
https://www.vulncheck.com/advisories/frappe-before-15.113.3-missing-authorization-allows-unauthorized-record-modification

Get alerted when CVE-2026-109599 or the next vulnerability affects your stack