Auth bypass in Frappe

CVE-2026-39351

Frappe is a full-stack web application framework. Prior to 16.14.0 and 15.104.0, Frappe allows unrestricted Doctype access via API exploit.

Vulnerability class: Broken Access Control

EPSS: 0.003 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Frappe — versions < 15.104.0, >= 16.0.0-beta.1, < 16.14.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2026-39351?: CVE-2026-39351 is a critical-severity vulnerability in Frappe, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-04-07.
How severe is CVE-2026-39351?: Critical severity. CVSS v3 base score is 9.1 out of 10.