CVE-2026-109611: Frappe ERPNext before 15.121.0 Missing Authorization in Certain Endpoints

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 2026-10-13
Weakness: CWE-862

Description

Frappe ERPNext before 15.121.0 and 16.x before 16.34.0 contains a missing authorization vulnerability in certain endpoints that fail to enforce proper authorization checks. Authenticated users can call these endpoints to modify data beyond what their assigned role permits.

Affected products

frappe erpnext: before 15.121.0; from 16.0.0-beta.1 before 16.34.0 — fixed in 15.121.0, 16.34.0

How to fix

Upgrade to a fixed version: frappe erpnext 15.121.0, 16.34.0. Check the vendor advisory for mitigations.

References

https://github.com/frappe/erpnext/security/advisories/GHSA-p4jx-mqwq-66cj
https://www.vulncheck.com/advisories/frappe-erpnext-before-15.121.0-missing-authorization-in-certain-endpoints

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