Server-Side Template Injection Vulnerability in Frappe ERPNext
CVE-2026-109652

8.7HIGH

Key Information:

Vendor

Frappe

Status
Vendor
CVE Published:
12 October 2026

What is CVE-2026-109652?

Frappe ERPNext versions prior to 15.119.1 and 16.x before 16.32.0 are vulnerable to a server-side template injection due to inadequate validation of user-controlled message fields before rendering templates. This vulnerability could be exploited by authenticated attackers with a standard operational role, enabling them to inject template expressions capable of reading, modifying, or deleting arbitrary data in the database, as well as executing outbound requests or sending emails from the server. The exploitation of this vulnerability poses a significant risk to the integrity and confidentiality of the affected systems.

Affected Version(s)

erpnext 0 < 15.119.1

erpnext 16.0.0-beta.1 < 16.32.0

erpnext 15.119.1

References

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

diptanilsaha
mtholmquist
vnth4nhnt
bugbunny-research
lukasz-rybak
.