Missing Authorization Vulnerability in Frappe ERPNext Product
CVE-2026-109665

5.3MEDIUM

Key Information:

Vendor

Frappe

Status
Erpnext
Vendor
CVE Published:
12 October 2026

What is CVE-2026-109665?

Frappe ERPNext versions prior to 15.108.0 and 16.x before 16.18.0 include a missing authorization flaw in several endpoints. This vulnerability allows authenticated low-privileged users to bypass permission checks, enabling them to deactivate crucial master records and modify data that exceeds their authorized capabilities. This defect poses significant security risks, making it imperative for users and administrators to apply the necessary updates and mitigate potential threats.

Affected Version(s)

erpnext 0 < 15.108.0

erpnext 16.0.0-beta.1 < 16.18.0

erpnext 15.108.0

References

https://github.com/frappe/erpnext/security/advisories/GHS...
vendor-advisory
https://www.vulncheck.com/advisories/frappe-erpnext-befor...
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

NSSYS
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