---
id: CVE-2026-122158
title: InvoiceShelf MemberService.php create access control
summary: >-
  A security flaw has been discovered in InvoiceShelf up to 2.4.3/3.0.0-alpha.3.
  Affected by this issue is the function MemberService::create of the file
  app/Domains/Accounts/Application/MemberService.php. Performing a manipulation
  of the …
severity: medium
cvss: 4.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-284
  - CWE-266
product: InvoiceShelf
affected:
  - InvoiceShelf 2.4.0
  - InvoiceShelf 2.4.1
  - InvoiceShelf 2.4.2
  - InvoiceShelf 2.4.3
  - InvoiceShelf 3.0.0-alpha.0
  - InvoiceShelf 3.0.0-alpha.1
  - InvoiceShelf 3.0.0-alpha.2
  - InvoiceShelf 3.0.0-alpha.3
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T20:37:24.810558Z'
exploitAvailable: true
published: '2026-11-05'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T20:37:38.053Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-122158'
references:
  - url: 'https://vuldb.com/vuln/431158'
    label: VDB-431158 | InvoiceShelf MemberService.php create access control
  - url: 'https://vuldb.com/vuln/431158/cti'
    label: 'VDB-431158 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-122158'
    label: CVE-2026-122158 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1028117'
    label: >-
      Submit #1028117 | InvoiceShelf up to
      2.4.3/3.0.0-alpha.1/3.0.0-alpha.2/3.0.0-alpha.3 Cross-Tenant Privilege
      Escalation / Incorrect Authorization
  - url: >-
      https://github.com/InvoiceShelf/InvoiceShelf/security/advisories/GHSA-c9cx-7r7m-264v
  - url: 'https://github.com/InvoiceShelf/InvoiceShelf/pull/822'
  - url: 'https://github.com/capivara-research/GHSA-c9cx-7r7m-264v'
  - url: >-
      https://github.com/InvoiceShelf/InvoiceShelf/commit/c798b513c3ab6e672a1678774720fbb282f4d0c6
  - url: 'https://github.com/InvoiceShelf/InvoiceShelf/releases/tag/3.0.0-alpha.4'
  - url: 'https://github.com/InvoiceShelf/InvoiceShelf/'
tags:
  - cve.org
  - exploit-available
epss: 0.00272
epssPercentile: 0.19699
ingestedAt: '2026-11-05T22:38:31.841Z'
---

## Overview

A security flaw has been discovered in InvoiceShelf up to 2.4.3/3.0.0-alpha.3. Affected by this issue is the function MemberService::create of the file app/Domains/Accounts/Application/MemberService.php. Performing a manipulation of the argument companies[].id/companies[].role results in improper access controls. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.4.4 and 3.0.0-alpha.4 can resolve this issue. The patch is named c798b513c3ab6e672a1678774720fbb282f4d0c6. It is recommended to upgrade the affected component.

## Affected

- `InvoiceShelf 2.4.0`
- `InvoiceShelf 2.4.1`
- `InvoiceShelf 2.4.2`
- `InvoiceShelf 2.4.3`
- `InvoiceShelf 3.0.0-alpha.0`
- `InvoiceShelf 3.0.0-alpha.1`
- `InvoiceShelf 3.0.0-alpha.2`
- `InvoiceShelf 3.0.0-alpha.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
