What is CVE-2026-109637?

CVE-2026-109637 is a medium-severity vulnerability in Frappe Erpnext, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-12.

How severe is CVE-2026-109637?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Frappe Erpnext

CVE-2026-109637

Frappe ERPNext before 16.14.0 contains a missing authorization vulnerability that allows authenticated users to modify master data beyond their permitted role. Attackers can send requests to certain endpoints lacking proper authorization checks to make unauthorized changes to master data records.

Vulnerability class: Broken Access Control

Published 2026-10-12 · last modified 2026-10-12.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Frappe Erpnext

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/frappe/erpnext/security/advisories/GHSA-fwgg-5fp9-rg78 (vendor-advisory)
www.vulncheck.com/advisories/frappe-erpnext-before-16.14.0-missing-authorizatio… (third-party-advisory)

Frequently asked questions

What is CVE-2026-109637?: CVE-2026-109637 is a medium-severity vulnerability in Frappe Erpnext, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-12.
How severe is CVE-2026-109637?: Medium severity. CVSS v3 base score is 6.5 out of 10.