# CVE-2026-124313: Frappe ERPNext missing authorization in get_linked_payments

Source: https://junglewise.ai/threats/cve-2026-124313-frappe-erpnext-before-15-121-4-and-16-x-before-16-36-0-contains  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-07. Updated: 2026-11-07  
License: CC BY 4.0 with a link back

CVE-2026-124313 · Severity: medium · CVSS 4.3 · Published 2026-11-07

Frappe ERPNext is an open-source ERP system used for accounting, invoicing, and financial management. An authenticated user—including those with limited portal access—can view payment ledger data for other companies' invoices by calling a whitelisted function with arbitrary parameters, exposing cross-company financial information.

Technologies: [Frappe ERPNext](https://junglewise.ai/threats/technologies/erpnext). Vendors: [Frappe](https://junglewise.ai/threats/vendors/frappe).

## Quick answers

**Is CVE-2026-124313 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-124313 being exploited in the wild.

**How severe is CVE-2026-124313?** Medium severity, with a CVSS score of 4.3, published 7 November 2026.

**Which products and versions are affected?** Frappe ERPNext before 15.121.4; 16.x before 16.36.0.

**Is there a fix for CVE-2026-124313?** Yes: fixed in ERPNext 15.121.4, 16.36.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-124313 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-124313?** Check whether you run Frappe ERPNext at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in ERPNext 15.121.4, 16.36.0

## Technical details

The get_linked_payments_for_doc method is whitelisted but lacks proper authorization checks, allowing any authenticated user to supply arbitrary company, doctype, and docname values. An attacker with portal user credentials can query Payment Ledger Entry data across company boundaries to disclose financial information for invoices and vouchers they should not have access to. A fix is available in versions 15.121.4 and 16.36.0.

## Affected products

- Frappe ERPNext before 15.121.4; 16.x before 16.36.0

## Timeline

- 2026-11-07: disclosed

## References

- [https://github.com/frappe/erpnext](https://github.com/frappe/erpnext)
- [https://github.com/frappe/erpnext/blob/12cd563fb9a79731f75ae2a45b1446a0a2dd9e74/erpnext/accounts/doctype/unreconcile_payment/unreconcile_payment.py](https://github.com/frappe/erpnext/blob/12cd563fb9a79731f75ae2a45b1446a0a2dd9e74/erpnext/accounts/doctype/unreconcile_payment/unreconcile_payment.py)

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- [Frappe ERPNext missing authorization in BOM methods](https://junglewise.ai/threats/cve-2026-124315-frappe-erpnext-before-15-121-4-and-16-x-before-16-36-0-contains)
- [Frappe ERPNext missing authorization in CRM activities](https://junglewise.ai/threats/cve-2026-124314-frappe-erpnext-before-15-121-4-and-16-x-before-16-36-0-contains)
- [ERPNext authorization bypass in status modification endpoints](https://junglewise.ai/threats/cve-2026-108374-erpnext-is-a-free-and-open-source-enterprise-resource-planning)
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