What is CVE-2026-31017?

CVE-2026-31017 is a critical-severity vulnerability in Frappe Erpnext, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.1/10. Published 2026-04-08.

How severe is CVE-2026-31017?

Critical severity. CVSS v3 base score is 9.1 out of 10.

SSRF in Frappe Erpnext

CVE-2026-31017

A Server-Side Request Forgery (SSRF) vulnerability exists in the Print Format functionality of ERPNext v16.0.1 and Frappe Framework v16.1.1, where user-supplied HTML is insufficiently sanitized before being rendered into PDF. When generati…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (14.7th 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 Erpnext — versions 16.0.1
Frappe — versions 16.1.1
N/a — versions n/a

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

cve@mitre.org (Product)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2026-31017?: CVE-2026-31017 is a critical-severity vulnerability in Frappe Erpnext, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.1/10. Published 2026-04-08.
How severe is CVE-2026-31017?: Critical severity. CVSS v3 base score is 9.1 out of 10.