---
title: "CVE-2026-14851: Customer Invoicing Web Application - Broken Access Control"
description: "A customer invoicing web application contains a broken access control vulnerability caused by lack of authorization checks on PDF invoice endpoints and publicly accessible URLs, letting attackers access confidential PII and financial data without authorization."
url: https://panop.io/threat-heartbeat/CVE-2026-14851/
---

# CVE-2026-14851 Customer Invoicing Web Application - Broken Access Control

A customer invoicing web application contains a broken access control vulnerability caused by lack of authorization checks on PDF invoice endpoints and publicly accessible URLs, letting attackers access confidential PII and financial data without authorization.

CVSS base score 9.2 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.33% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-14851)

## Details

Type

Broken Access Control

Impact

Information Disclosure

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-200](https://cwe.mitre.org/data/definitions/200.html)

## Vendor fix

Implement proper authorization checks on invoice endpoints and restrict public access to invoicing document URLs.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-14851](https://nvd.nist.gov/vuln/detail/CVE-2026-14851)
- [https://www.incibe.es/en/incibe-cert/notices/aviso/unauthorised-disclosure-information-coparts-online-billing-service](https://www.incibe.es/en/incibe-cert/notices/aviso/unauthorised-disclosure-information-coparts-online-billing-service)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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