CVE-2026-38431

Name: CVE-2026-38431
Creator: NVD / NIST
Published: 2026-05-05T17:17:04.67+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2026-38431 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. ERPNext v15.103.1 and before is vulnerable to Server-Side Template Injection (SSTI). An attacker with permission to create or edit email templates can inject template expressions that are executed on the server when the template is rendered.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

ERPNext v15.103.1 and before is vulnerable to Server-Side Template Injection (SSTI). An attacker with permission to create or edit email templates can inject template expressions that are executed on the server when the template is rendered.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.39%

30.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Frappe	Erpnext	<= 15.103.1

References

https://c0wking.hashnode.dev/ssti-in-erpnext-frappe-email-template-engineExploit, Third Party Advisory
https://c0wking.hashnode.dev/ssti-in-erpnext-frappe-email-template-engineExploit, Third Party Advisory

Timeline

Published: May 5, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-38431?

How severe is CVE-2026-38431?

CVE-2026-38431 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2026-38431?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-38431?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST