RCE in Frappe Erpnext

CVE-2026-38431

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 rendere…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.001 (18.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-38431?
CVE-2026-38431 is a critical-severity vulnerability in Frappe Erpnext, classified under Code Injection. CVSS score: 9.8/10. Published 2026-05-05.
How severe is CVE-2026-38431?
Critical severity. CVSS v3 base score is 9.8 out of 10.