---
title: "CVE-2026-109652: Frappe ERPNext - Server-Side Template Injection"
description: "Frappe ERPNext < 15.119.1 and 16.x < 16.32.0 contains a server-side template injection caused by unvalidated user-controlled message fields in template rendering, letting authenticated attackers with common operational roles execute arbitrary template expressions to read/write database data, delete documents, send outbound requests, and send mail."
url: https://panop.io/threat-heartbeat/CVE-2026-109652/
---

# CVE-2026-109652 Frappe ERPNext - Server-Side Template Injection

Frappe ERPNext < 15.119.1 and 16.x < 16.32.0 contains a server-side template injection caused by unvalidated user-controlled message fields in template rendering, letting authenticated attackers with common operational roles execute arbitrary template expressions to read/write database data, delete documents, send outbound requests, and send mail.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.30% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-109652)

## Details

Type

Server-Side Template Injection

Impact

Remote Code Execution, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

12 October 2026

Updated

15 October 2026

Weakness

[CWE-1336](https://cwe.mitre.org/data/definitions/1336.html)

## Vendor fix

Upgrade to versions 15.119.1 and 16.32.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-109652](https://nvd.nist.gov/vuln/detail/CVE-2026-109652)
- [https://github.com/frappe/erpnext/security/advisories/GHSA-6w83-8777-v93q](https://github.com/frappe/erpnext/security/advisories/GHSA-6w83-8777-v93q)
- [https://www.vulncheck.com/advisories/frappe-erpnext-before-15.119.1-server-side-template-injection-via-message-fields](https://www.vulncheck.com/advisories/frappe-erpnext-before-15.119.1-server-side-template-injection-via-message-fields)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)