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 ↗

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

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

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