Improper Authorization in ERPNext Affects Access Control Mechanism
CVE-2026-13227

7.1HIGH

Key Information:

Vendor

Frappe

Status
Erpnext
Vendor
CVE Published:
4 August 2026

What is CVE-2026-13227?

An Improper Authorization vulnerability is present in ERPNext versions prior to 15.115.0 and prior to 16.26.0. This issue arises from insufficient access control in the whitelisted API method used to retrieve opportunities, allowing unauthorized users to access restricted data. It is essential to upgrade to patched versions to mitigate this vulnerability and secure sensitive information.

Affected Version(s)

ERPNext Windows 0 < 15.115.0

ERPNext Windows 0 < 16.26.0

References

https://fluidattacks.com/es/advisories/kraviz
third-party-advisory
https://github.com/frappe/erpnext/security/advisories/GHS...
vendor-advisory
https://github.com/frappe/erpnext/releases?page=2#release...
patch

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eduardo Ferguson
.