---
id: CVE-2026-94494
title: >-
  jshERP through 3.6 contains a tenant isolation bypass vulnerability that
  allows authenticated users to read other tenants' records via the GET
  /tenant/info endpoint
summary: >-
  jshERP through 3.6 contains a tenant isolation bypass vulnerability that
  allows authenticated users to read other tenants' records via the GET
  /tenant/info endpoint. Attackers can iterate the primary key to enumerate and
  access sensitive…
severity: medium
cvss: 5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N'
cwe:
  - CWE-639
vendor: jishenghua
product: jshERP
affected:
  - jshERP <= 3.6
published: '2026-09-21'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T20:17:41.550'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-94494'
references:
  - url: >-
      https://github.com/LinYuanyi1/cve-request-poc/blob/master/jshERP/poc-09-tenant-cross-tenant-read.py
    label: disclosure@vulncheck.com
  - url: 'https://github.com/jishenghua/jshERP'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/jishenghua/jshERP/blob/v3.6/jshERP-boot/src/main/java/com/jsh/erp/controller/TenantController.java#L36-L48
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/jsherp-through-3.6-tenant-information-disclosure-via-get-tenant-info
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-21T19:19:46.247848Z'
ingestedAt: '2026-09-21T18:50:57.571Z'
---

## Overview

jshERP through 3.6 contains a tenant isolation bypass vulnerability that allows authenticated users to read other tenants' records via the GET /tenant/info endpoint. Attackers can iterate the primary key to enumerate and access sensitive tenant data including login names, validity dates, user quotas, and enabled state across all platform tenants.

## Remediation

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