---
id: CVE-2026-111703
title: >-
  yshop-crm through 2.1.3 contains an insecure direct object reference
  vulnerability that allows authenticated sales users to access other users'
  customer records by supplying arbitrary ids
summary: >-
  yshop-crm through 2.1.3 contains an insecure direct object reference
  vulnerability that allows authenticated sales users to access other users'
  customer records by supplying arbitrary ids. Attackers can enumerate ids
  against the get, upd…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-639
vendor: guchengwuyue
product: yshop-crm
affected:
  - yshop-crm <= 2.1.3
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T20:17:22.730'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-111703'
references:
  - url: >-
      https://github.com/guchengwuyue/yshop-crm/blob/a93846584877ed5f6ffcaeeb7182d1707a21a221/yshop-crm/yshop-module-crm/yshop-module-crm-biz/src/main/java/co/yixiang/yshop/module/crm/controller/admin/crmcustomer/CrmCustomerController.java#L46-L87
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/guchengwuyue/yshop-crm/blob/a93846584877ed5f6ffcaeeb7182d1707a21a221/yshop-crm/yshop-module-crm/yshop-module-crm-biz/src/main/java/co/yixiang/yshop/module/crm/service/crmcustomer/CrmCustomerServiceImpl.java#L105-L203
    label: disclosure@vulncheck.com
  - url: 'https://hackmd.io/@hieuPenguinnn/yshop-crm-customer-idor-and-missing-authz'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/yshop-crm-through-2.1.3-idor-via-crm-customer-by-id-endpoints
    label: disclosure@vulncheck.com
  - url: 'https://hackmd.io/@hieuPenguinnn/yshop-crm-customer-idor-and-missing-authz'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00243
epssPercentile: 0.15577
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-16T19:50:53.802860Z'
ingestedAt: '2026-10-16T18:43:08.653Z'
---

## Overview

yshop-crm through 2.1.3 contains an insecure direct object reference vulnerability that allows authenticated sales users to access other users' customer records by supplying arbitrary ids. Attackers can enumerate ids against the get, update, delete and do-open endpoints to read contact details, overwrite or delete customers, or release them into the public pool.

## Remediation

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