🛡️ CVE-2026-31017
🔴 CVSS 9.1 — Critical ✅ No Known Exploit CWE-918 NVD
9.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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 generating PDFs from user-controlled HTML content, the application allows the inclusion of HTML elements such as that reference external resources. The PDF rendering engine automatically fetches these resources on the server side. An attacker can abuse this behavior to force the server to make arbitrary HTTP requests to internal services, including cloud metadata endpoints, potentially leading to sensitive information disclosure.

Details

Severity CRITICAL
CVSS Score 9.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE CWE-918
Public Exploit ✅ No
Source NVD
Published 2026-04-08
Updated 2026-06-02
Modified 2026-04-14
Fix URL N/A

Affected Packages

Software From version Fixed in
erpnext — —
frappe — —

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