PT-2026-37088 · Frappe · Erpnext

C0Wking · Published 2026-05-05 · Updated 2026-05-25 · CVE-2026-38431

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions ERPNext versions prior to 15.103.2

Description Server-Side Template Injection (SSTI) occurs when an attacker with permissions to create or edit email templates injects template expressions. These expressions are executed on the server during the template rendering process.

Recommendations Update to a version later than 15.103.1.

Exploit

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2026-38431

Affected Products

Erpnext

References · 8

• 🔥 https://c0wking.hashnode.dev/ssti-in-erpnext-frappe-email-template-engine · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-38431 · Security Note
• https://t.me/CVEtracker/52774 · Telegram Post
• https://twitter.com/DFIR_Lab/status/2058746231115891155 · Twitter Post
• https://t.me/cveNotify/162747 · Telegram Post
• https://twitter.com/lyrie_ai/status/2054163852325961825 · Twitter Post
• https://twitter.com/lyrie_ai/status/2054163855157133441 · Twitter Post
• https://twitter.com/lyrie_ai/status/2054163853332602904 · Twitter Post