CVE-2026-38431

EUVD-2026-27402
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.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 14%
Affected Products (NVD)
VendorProductVersion
frappeerpnext
𝑥
≤ 15.103.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://c0wking.hashnode.dev/ssti-in-erpnext-frappe-email-template-engine
https://c0wking.hashnode.dev/ssti-in-erpnext-frappe-email-template-engine